[5] These frigates would be based on the Talwar class and were to be commissioned into the Russian Navy, but after the Ukrainian Conflict, Ukraine refused to supply any more engines for the Russian ships.

[12][13] This is the first ship of the Talwar-class frigates to feature vertical launched Shtil-1 missiles with two 12 (2×6) VLS configuration having total 24 missiles with an enhanced range of 50 km (31 mi).

The powerplants were delivered to Kaliningrad Shipyard in late 2020 to early 2021.

[2] As of July 2024, to conduct acceptance trials for the frigate being built in Yantar shipyard, a team of around 200 personnel of the Indian Navy are in Russia.

[17] On 21 January 2025, reports emerged that INS Tamala, being built by Yantar Shipyard has started sea trials.