Who launched a guided missile destroyer 'INS Imphal' in Mumbai?

Indigenously designed 'INS Imphal' a guided missile destroyer was launched by Navy Chief Sunil Lanba at Mazagon Dock Shipbuilders Limited (MDL) in Mumbai. This ship is designed by the Indian Navy's Directorate of Naval Designs, New Delhi. It is the third ship under Project 15B. The first ship of this project, a guided missile destroyer INS Visakhapatnam, was launched on in April 2015.