The ₹988.27-crore buyback offer of Mphasis will open on Friday and close on December 20. It plans to buy back up to 73.20 lakh shares, that is, 3.79 per cent of the total paid-up equity share capital, at ₹1,350 a share. Shareholders whose names had appeared on the company’s book on the record date of October 25 can participate in the buyback offer, which would be on proportionate basis through the tender offer route. The stock will remain on marketmen’s radar.