The open offer from True North Fund to the shareholders of Shree Digvijay Cement opens on Tuesday. The acquirer plans to buy 3.56 crore shares, representing 25.1 per cent of the emerging share capital of the cement firm, at ₹23.33 a share after it had entered into a deal to buy 75 per cent stake from Brazil-based Votorantim. Cimentos de Portugal, a Portuguese company, had transferred its stake to Votorantim as part of its global restructuring in 2012.