| 
                                                13 Nov 2025
                                             | 
                                            Quarterly Results & Interim Dividend | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                07 Aug 2025
                                             | 
                                            Quarterly Results & Interim Dividend | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                29 May 2025
                                             | 
                                            Audited Results & Final Dividend | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                11 Feb 2025
                                             | 
                                            Quarterly Results & Interim Dividend | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                13 Nov 2024
                                             | 
                                            Quarterly Results | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                31 Aug 2024
                                             | 
                                            Bonus issue | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                13 Aug 2024
                                             | 
                                            Quarterly Results | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                28 May 2024
                                             | 
                                            Audited Results & Final Dividend | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                13 Feb 2024
                                             | 
                                            Quarterly Results | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                09 Nov 2023
                                             | 
                                            Quarterly Results | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                10 Aug 2023
                                             | 
                                            Quarterly Results | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                29 May 2023
                                             | 
                                            Audited Results & Final Dividend | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                14 Feb 2023
                                             | 
                                            Quarterly Results | 
                                             (Revised)   | 
                                        
                                    
                                        
                                            | 
                                                14 Nov 2022
                                             | 
                                            Quarterly Results | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                10 Aug 2022
                                             | 
                                            Quarterly Results | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                30 May 2022
                                             | 
                                            Audited Results & Final Dividend | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                14 Feb 2022
                                             | 
                                            Quarterly Results | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                12 Nov 2021
                                             | 
                                            Quarterly Results | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                13 Aug 2021
                                             | 
                                            Quarterly Results | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                29 Jun 2021
                                             | 
                                            Audited Results & Final Dividend | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                10 Feb 2021
                                             | 
                                            Quarterly Results | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                11 Nov 2020
                                             | 
                                            Quarterly Results | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                14 Sep 2020
                                             | 
                                            Quarterly Results | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                06 Jul 2020
                                             | 
                                            Audited Results & Final Dividend | 
                                             (Revised)   | 
                                        
                                    
                                        
                                            | 
                                                30 Jun 2020
                                             | 
                                            Audited Results & Final Dividend | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                12 Feb 2020
                                             | 
                                            Quarterly Results | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                14 Nov 2019
                                             | 
                                            Quarterly Results | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                08 Aug 2019
                                             | 
                                            Quarterly Results | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                29 May 2019
                                             | 
                                            Audited Results & Final Dividend | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                13 Feb 2019
                                             | 
                                            Quarterly Results | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                14 Nov 2018
                                             | 
                                            Quarterly Results | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                11 Aug 2018
                                             | 
                                            Quarterly Results | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                25 May 2018
                                             | 
                                            Audited Results & Final Dividend | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                08 Mar 2018
                                             | 
                                            Interim Dividend | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                13 Feb 2018
                                             | 
                                            Qtr Results, Int. Dividend & Stock Split | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                14 Nov 2017
                                             | 
                                            Quarterly Results | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                14 Aug 2017
                                             | 
                                            Quarterly Results | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                26 May 2017
                                             | 
                                            Audited Results & Final Dividend | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                29 Mar 2017
                                             | 
                                            Others | 
                                             1. Declaration of interim Dividend if any, for the  financial year 2016-17. 2. Further in relation to earlier communication dated March 19, 2016 regarding proposal for takeover of HSCL by NBCC, the Bo   | 
                                        
                                    
                                        
                                            | 
                                                27 Mar 2017
                                             | 
                                            Interim Dividend | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                13 Feb 2017
                                             | 
                                            Quarterly Results | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                04 Jan 2017
                                             | 
                                            Bonus Shares | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                18 Nov 2016
                                             | 
                                            Quarterly Results | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                14 Sep 2016
                                             | 
                                            Quarterly Results | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                16 May 2016
                                             | 
                                            Audited Results & Dividend | 
                                             Fixation of Record Date for the purpose of splitting of 1 equity share of Rs. 10/- each into 5 equity share of Rs. 2/- each.   | 
                                        
                                    
                                        
                                            | 
                                                11 Mar 2016
                                             | 
                                            Stock Split | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                10 Feb 2016
                                             | 
                                            Quarterly Results | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                04 Jan 2016
                                             | 
                                            Bonus issue | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                09 Nov 2015
                                             | 
                                            Quarterly Results | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                13 Aug 2015
                                             | 
                                            Quarterly Results | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                22 May 2015
                                             | 
                                            Audited Results & Dividend | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                13 Feb 2015
                                             | 
                                            Quarterly Results | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                13 Nov 2014
                                             | 
                                            Quarterly Results | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                12 Aug 2014
                                             | 
                                            Quarterly Results | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                26 May 2014
                                             | 
                                            Audited Results & Dividend | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                11 Feb 2014
                                             | 
                                            Quarterly Results | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                31 Oct 2013
                                             | 
                                            Quarterly Results | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                13 Aug 2013
                                             | 
                                            Quarterly Results | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                27 May 2013
                                             | 
                                            Audited Results & Dividend | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                08 Feb 2013
                                             | 
                                            Quarterly Results | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                07 Nov 2012
                                             | 
                                            Quarterly Results | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                13 Aug 2012
                                             | 
                                            Quarterly Results | 
                                             -   | 
                                        
                                    
                                        
                                            | 
                                                29 May 2012
                                             | 
                                            Audited Results | 
                                             -   |