SAST HINDUSTAN OIL EXPLORATION CO.LTD. - 500186 - Disclosures under Reg. 29(1) of SEBI (SAST) Regulations, 2011 BSE India The Exchange has received the disclosure under Regulation 29(1) of SEBI (Substantial Acquisition of Shares & Takeovers) Regulations, 2011 for HDFC Bank Ltd