. "5.22" . . "Nilgiri-class frigate (2019)" . . . . "Nilgiri class" . . . . . . . "Nilgiri-class frigate" . . . "17.8" . "Nilgiri-class frigate (2019)" . "''Nilgiri''-class frigates" . "Project-17 Alpha frigates (P-17A)" . . "149.0" . "''Nilgiri''-class frigate" . "Nilgiri" . .