Tata Steel’s ₹12,800-crore rights issue will open on Thursday for subscription and close on February 28. The issue comprises 15.54 crore fully paid-up ordinary shares for ₹8,000 crore at ₹510 a share, and 7.76 crore partially paid-up shares for ₹4,800 at ₹615 a share.

The entitlement ratio for the fully paid-up shares is four shares for every 25 ordinary shares and for partially paid-up, two shares for every 25 shares held in the company as on the record date, February 1.