BETWA, Indian Navy frigate. Launched Vickers-Armstrongs, Walker, on 15.09.1959,
completed 08.12.1960 (details from Miramar)
Outline details from another source: The first Betwa was a Leopard class anti-aircraft frigate commissioned in the UK in 1960. She served the Indian Navy till 1991. (ignore the hms bit of the image caption!)
Ron

Betwa was last of the 3 Type 41 anti aircraft frigates the Indian navy operated.
As with sister Beas, this pair was ordered as new construction by India from Vickers on the Tyne.
Betwa yno 163, ld 29-5-1957, l 15-5-1959, c 18-12-1960
Beas yno 156, ld 28-11-1956, l 9-10-1958, c 24-5-1960
The 1st of their trio was Brahmaputra, ordered as HMS Panther, and purchased after launching,
constructed by John Brown, yno 680, ld 20-10-1955, l 15-3-1957, c 28-3-1958
Vickers did not build any of the 4 Type 41 for the RN, Leopard, Lynx, Puma, Jaguar.
Betwa, Beas and Brahmaputra are named for Indian rivers.