Explanation:

The seventh frigate of P1135.6 class was launched on October 28, 2021 for the Indian Navy. Frigate was launched at Yantar Shipyard in Russia’s Kaliningrad. Frigate ships feature “stealth technology” with respect to low radar and underwater noise signatures. Both the ships will be delivered from Russia by 2023. During the inaugural ceremony, this ship was named as “Tushil”. It means protector shield in Sanskrit.