Nagpur (Maharashtra) [India], March 19: Nagpur based Active Infrastructures Ltd, an an infrastructure focused company, specializes in construction of Road, flyovers, water supply systems and commercial project construction is launching its public issue on NSE Emerge. The Book building public issue in the price band of Rs. 178-181 per share opens for subscription on March 21 and closes on March 25. Company plans to raise up to Rs. 77.83 crore(assuming full subscription at the upper price band of 181 per share)