PM Modi commissions three indigenous naval ships - INS Dunagiri, INS Sanshodhak and INS Agray at Kolkata

📌 Summary:

• PM Modi commissioned three indigenously designed & built warships at Syama Prasad Mookerjee Port, Kolkata (21 Jun 2026)
• INS Dunagiri - advanced stealth frigate; INS Sanshodhak - large survey vessel; INS Agray - anti-submarine warfare (ASW) shallow water craft
• All three designed by the Indian Navy's Warship Design Bureau and built by Garden Reach Shipbuilders & Engineers (GRSE), Kolkata, with participation of 200+ MSMEs
• Indigenous content over 75% - a testament to Aatmanirbhar Bharat in shipbuilding
• Commissioning coincided with World Hydrography Day (21 June); INS Sanshodhak is India's most advanced hydrographic survey vessel
• PM linked maritime strength to economic & strategic power: most global trade and undersea data networks pass through the oceans; critical minerals, deep-sea resources and future energy sources are tied to the maritime domain
• Shipbuilding, ship repair and MRO positioned as part of a national mission to enhance domestic construction capacity

🎯 UPSC Relevance: GS3 - indigenisation of defence manufacturing, naval modernisation, maritime domain awareness, Aatmanirbharta.

📝 Prelims Facts:

• INS Dunagiri (stealth frigate), INS Agray (ASW shallow water craft), INS Sanshodhak (survey vessel, large)
• Built by GRSE, Kolkata; designed by Warship Design Bureau
• 21 June is also observed as World Hydrography Day
• Indigenous content >75%

🔑 Key Term: Aatmanirbharta in defence - self-reliance in the indigenous design and manufacture of military platforms.