Manglam Infra IPO opens to raise Rs 28 crore by offering 49.32 lakh shares at Rs 53-56. GMP Rs 46. Closes July 26. Company reported Rs 40.24 crore revenue, Rs 6.76 crore profit. Unistone Capital leads. QIB 50%, retail 35%, non-institutional 15%. Allotment on July 29, listing on July 31.