5 Key Facts about Indian Navy’s two new Warships INS Surat, INS Udaygiri Launch: Union Defence Minister Rajnath Singh launched INS Surat and INS Udaygiri, two new India-made warships in Mumbai on May 17, 2022. Indian Navy Destroyer INS Surat is the fourth and last stealth destroyer under the ‘Project 15B’ programme. INS Udaygiri is an Indian Naval frigate of ‘Project 17A’ programme. The two ships will undergo trials before being commissioned into the Indian Navy.  Both 15B and P17A ships have been designed in India by the Directorate of Naval Design (DND). Union Defence Minister described the warships as