Which two Indian Navy Ships participated in Group Sail military exercise?

Indian Navy Ships (INS) Kolkata and Shakti carried out Group Sail with naval ships of Japan, Philippines and the United States of America in the South China Sea from May 03 to May 09, 2019. This week long military exercise had a participation of six combatants from the four participating countries - India, USA, Japan and Philippines. The ships undertook various exercises enroute which included formation manoeuvering, underway replenishment runs, cross-deck flying and exchange of Sea Riders. The Group Sail exercise with naval ships of Japan, Philippines and United States showcased India's commitment towards operating with like-minded nations to ensure safe maritime environment through enhanced interoperability.