Kammala jumla mai zuwa: A lokacin yakin 1971, ya kasance kwamandan biyu Arnala-class anti-submarine corvettes INS Kiltan da INS Katchall wadanda suke cikin rukunin aikin da suka kai hari Karachi Harbour a ranar 4 ga Disamba 1971 a lokacin
Aikin Trident. An ba wa corvettes guda biyu aikin samar da sadarwa da kuma gudanar da manufa tare da radar da suka fi dacewa da kuma samar da murfin jirgin ruwa.