New Delhi: State-run MTNL said there are no plans to delist its shares from the stock exchanges. The stock zoomed 19.88% to settle at Rs 19.90 — its highest trading permissible limit for the day on the BSE. Telecom Secretary Rakesh Garg said that any decision on BSNL, MTNL merger will be taken after studying the IIM committee report, which is likely to be submitted shortly.