About 12 crore shares worth ₹3,653 crore will become eligible for trading on Monday (February 16) as their lock-in period ends, CNBC-TV18 reported. The shares belong to Tenneco Clean Air India, JSW Cement, Highway Infrastructure, Fujiyama Power Systems, Bluestone Jewellery and All Time Plastics. However, eligibility does not necessarily mean the shares will be sold.