RSP Sinha steps down as MTNL CMDBS Reporter / Mumbai January 18, 2010, 13:39 ISTRSP Sinha, chairman & managing director, Mahanagar Telephone Nigam, has relinquished the charge of CMD, the company said in a statement to the stock exchanges.Kuldip Singh, director (technical) at the company, has been given additional charge of the post effective January 15.
