TruAlt Bioenergy’s Rs 839.28-crore IPO opened modestly on September 25, with 8% subscription in the first few hours as investors bid for 9.92 lakh shares against 1.23 crore on offer. Priced at Rs 472–496 per share, the issue includes a Rs 750-crore fresh issue and an Rs 89.28-crore offer-for-sale, with NIIs showing 9% subscription by noon.