Current Context: India will commission INS Varsha near Rambilli, Andhra Pradesh by 2026 to bolster nuclear submarine operations amid rising Chinese naval activity in the Indian Ocean Region (IOR).

About

• Nuclear submarine base (SSBNs & SSNs)
• Located ~50 km from Visakhapatnam

Features:

• Underground submarine pens for stealth
• Advanced docking, repair yards, munitions storage
• Command and control systems

Strategic Significance

• Enhances nuclear deterrence and maritime security
• Segregates military/naval operations from civilian ports
• Counters China’s influence in the Bay of Bengal
• Boosts India’s role in the Indo-Pacific & Quad cooperation