| 08 Nov 2025 | Quarterly Results | - | 
                                    
                                        
                                            | 08 Aug 2025 | Quarterly Results | - | 
                                    
                                        
                                            | 21 May 2025 | Audited Results & Final Dividend | - | 
                                    
                                        
                                            | 10 Feb 2025 | Quarterly Results | - | 
                                    
                                        
                                            | 30 Oct 2024 | Quarterly Results | (Revised) | 
                                    
                                        
                                            | 22 Jul 2024 | Quarterly Results & A.G.M. | - | 
                                    
                                        
                                            | 29 May 2024 | Audited Results & Final Dividend | - | 
                                    
                                        
                                            | 10 Feb 2024 | Quarterly Results | - | 
                                    
                                        
                                            | 03 Nov 2023 | Quarterly Results | - | 
                                    
                                        
                                            | 02 Aug 2023 | Quarterly Results & A.G.M. | - | 
                                    
                                        
                                            | 25 May 2023 | Audited Results & Dividend | - | 
                                    
                                        
                                            | 11 Feb 2023 | Quarterly Results | - | 
                                    
                                        
                                            | 10 Nov 2022 | Quarterly Results | - | 
                                    
                                        
                                            | 04 Aug 2022 | Quarterly Results | - | 
                                    
                                        
                                            | 23 May 2022 | Audited Results & Dividend | - | 
                                    
                                        
                                            | 14 Feb 2022 | Quarterly Results | - | 
                                    
                                        
                                            | 08 Nov 2021 | Quarterly Results | (Revised) | 
                                    
                                        
                                            | 04 Aug 2021 | Quarterly Results | - | 
                                    
                                        
                                            | 29 Jun 2021 | Audited Results | - | 
                                    
                                        
                                            | 24 May 2021 | Audited Results | (Revised) | 
                                    
                                        
                                            | 04 May 2021 | Audited Results | - | 
                                    
                                        
                                            | 03 Feb 2021 | Quarterly Results | - | 
                                    
                                        
                                            | 14 Nov 2020 | Quarterly Results | - | 
                                    
                                        
                                            | 13 Nov 2020 | Quarterly Results | (Revised) | 
                                    
                                        
                                            | 07 Nov 2020 | Quarterly Results | - | 
                                    
                                        
                                            | 21 Aug 2020 | Quarterly Results | (Revised) | 
                                    
                                        
                                            | 10 Aug 2020 | Quarterly Results | - | 
                                    
                                        
                                            | 14 Jul 2020 | Quarterly Results | - | 
                                    
                                        
                                            | 23 Jun 2020 | Audited Results | - | 
                                    
                                        
                                            | 04 Feb 2020 | Quarterly Results | - | 
                                    
                                        
                                            | 06 Nov 2019 | Quarterly Results | - | 
                                    
                                        
                                            | 15 Jul 2019 | Quarterly Results | - | 
                                    
                                        
                                            | 27 May 2019 | Audited Results | - | 
                                    
                                        
                                            | 11 Feb 2019 | Quarterly Results | - | 
                                    
                                        
                                            | 14 Nov 2018 | Quarterly Results | - | 
                                    
                                        
                                            | 28 Jul 2018 | Quarterly Results | - | 
                                    
                                        
                                            | 29 May 2018 | Audited Results | - | 
                                    
                                        
                                            | 07 Feb 2018 | Quarterly Results | - | 
                                    
                                        
                                            | 14 Nov 2017 | Quarterly Results | - | 
                                    
                                        
                                            | 17 Jul 2017 | Quarterly Results & Others | Reappointment of Dr. S N Sasidharan Kartha  as  Managing Director   for 3  years  with effect from 01.04.2018. | 
                                    
                                        
                                            | 18 May 2017 | Audited Results | - | 
                                    
                                        
                                            | 09 Feb 2017 | Quarterly Results | - | 
                                    
                                        
                                            | 07 Nov 2016 | Quarterly Results | - | 
                                    
                                        
                                            | 10 Aug 2016 | Quarterly Results | - | 
                                    
                                        
                                            | 19 May 2016 | Audited Results | - | 
                                    
                                        
                                            | 11 Feb 2016 | Quarterly Results | - | 
                                    
                                        
                                            | 14 Nov 2015 | Quarterly Results | - | 
                                    
                                        
                                            | 10 Aug 2015 | Quarterly Results | - | 
                                    
                                        
                                            | 23 May 2015 | Audited Results | Shri. T. P. Thomaskutty had been nominated to the Board as independent director of the Company with effect from May 23, 2015. | 
                                    
                                        
                                            | 14 Feb 2015 | Quarterly Results | - | 
                                    
                                        
                                            | 12 Nov 2014 | Quarterly Results | - | 
                                    
                                        
                                            | 04 Aug 2014 | Quarterly Results | - | 
                                    
                                        
                                            | 05 May 2014 | Audited Results & Dividend | - | 
                                    
                                        
                                            | 12 Feb 2014 | Quarterly Results | - | 
                                    
                                        
                                            | 26 Oct 2013 | Quarterly Results | - | 
                                    
                                        
                                            | 03 Aug 2013 | Quarterly Results | - | 
                                    
                                        
                                            | 13 May 2013 | Audited Results & Dividend | - | 
                                    
                                        
                                            | 09 Feb 2013 | Quarterly Results | - | 
                                    
                                        
                                            | 05 Nov 2012 | Quarterly Results | - | 
                                    
                                        
                                            | 13 Aug 2012 | Quarterly Results | - | 
                                    
                                        
                                            | 05 May 2012 | Audited Results & Dividend | Special Dividend | 
                                    
                                        
                                            | 07 Feb 2012 | Quarterly Results | - | 
                                    
                                        
                                            | 28 May 2011 | Audited Results & Dividend | - | 
                                    
                                        
                                            | 31 Jan 2011 | Quarterly Results | - | 
                                    
                                        
                                            | 26 Jul 2010 | Quarterly Results | - | 
                                    
                                        
                                            | 15 May 2010 | Audited Results & Dividend | - | 
                                    
                                        
                                            | 28 Jul 2009 | Quarterly Results | - | 
                                    
                                        
                                            | 27 May 2009 | Audited Results & Dividend | - | 
                                    
                                        
                                            | 28 Jan 2009 | Quarterly Results | - | 
                                    
                                        
                                            | 30 Oct 2008 | Quarterly Results | - | 
                                    
                                        
                                            | 30 Jul 2008 | Quarterly Results | - | 
                                    
                                        
                                            | 23 May 2008 | Dividend | - | 
                                    
                                        
                                            | 30 Jan 2008 | Quarterly Results | - | 
                                    
                                        
                                            | 31 Oct 2007 | Quarterly Results | - | 
                                    
                                        
                                            | 16 Jul 2007 | Quarterly Results | - | 
                                    
                                        
                                            | 29 May 2007 | Audited Results & Dividend | - | 
                                    
                                        
                                            | 31 Jan 2007 | Quarterly Results | - | 
                                    
                                        
                                            | 31 Oct 2006 | Quarterly Results | - | 
                                    
                                        
                                            | 31 Jul 2006 | Quarterly Results | - | 
                                    
                                        
                                            | 27 Jan 2006 | Quarterly Results | - | 
                                    
                                        
                                            | 27 Oct 2005 | Quarterly Results | - | 
                                    
                                        
                                            | 30 Jul 2005 | Quarterly Results | - | 
                                    
                                        
                                            | 22 Jun 2005 | Accounts | - | 
                                    
                                        
                                            | 31 Jan 2005 | Quarterly Results | - | 
                                    
                                        
                                            | 27 Oct 2004 | Quarterly Results | - | 
                                    
                                        
                                            | 31 Jul 2004 | Quarterly Results | - | 
                                    
                                        
                                            | 28 Oct 2003 | Quarterly Results | - | 
                                    
                                        
                                            | 28 Jul 2003 | Quarterly Results | - | 
                                    
                                        
                                            | 28 Jun 2003 | Accounts | - | 
                                    
                                        
                                            | 29 Jun 2002 | Accounts & Dividend | - | 
                                    
                                        
                                            | 30 Jan 2002 | Quarterly Results | - | 
                                    
                                        
                                            | 24 Oct 2001 | Quarterly Results & Half Yearly Results | - | 
                                    
                                        
                                            | 25 Jun 2001 | Accounts & Dividend | - | 
                                    
                                        
                                            | 08 Jun 2000 | Accounts | - | 
                                    
                                        
                                            | 28 Jan 2000 | Quarterly Results | - | 
                                    
                                        
                                            | 29 Jul 1998 | Quarterly Results | - | 
                                    
                                        
                                            | 10 Jun 1998 | Accounts | - | 
                                    
                                        
                                            | 18 Jun 1997 | Accounts | - | 
                                    
                                        
                                            | 15 May 1997 | Accounts | - |