SAST HINDALCO INDUSTRIES LTD. - 500440 - Disclosures under Reg. 29(2) of SEBI (SAST) Regulations, 2011 BSE India The Exchange has received the disclosure under Regulation 29(2) of SEBI (Substantial Acquisition of Shares & Takeovers) Regulations, 2011 for Birla Group Holdings Pvt Ltd