भारतीय नौसेना के किस जहाज ने हिंद महासागर क्षेत्र (IOR) में समुद्री सहयोग को मजबूत करते हुए अपनी पहली एक महीने की तैनाती पूरी की?

To enhance capabilities in indigenous hydrography, where did the Indian Navy launch the Survey Vessel (Large) INS 'Ikshak' built by GRSE?

As notified by the Defence Research and Development Organisation (DRDO), manufacturing will begin for new variants of the Pinaka rocket system with extended ranges of _____.