Shares of Indian Oil Corp and KG Denim will remain in focus, as the buyback offers from these firms open on Tuesday and close on February 4. The PSU oil major will buy back about 29.77 crore shares (or 3.06 per cent of the total paid-up equity) at ₹149 a share. KG Denim plans to mop up 21.96 lakh shares at ₹40 a share. Both offers are being done through the tender route on proportionate basis for which the record dates are December 12 and November 30.