"Indigenous warship building has emerged as the cornerstone of India's blue-water ambitions." Discuss with reference to Project 17A and Survey Vessel (Large) programmes.

A blue-water navy needs combat reach, sustained maritime domain awareness and a self-reliant industrial base. The commissioning of INS Dunagiri, Sanshodhak and Agray at Kolkata on 21 June 2026 — all designed by the Navy's Warship Design Bureau and built by GRSE, a Defence PSU — shows indigenous shipbuilding now underwrites all three [1].

Combat reach: Project 17A

• Dunagiri is the fifth Nilgiri-class (P-17A) stealth frigate, second built at GRSE; the 7-ship class is split between MDL and GRSE [2].
• Multi-mission platform with BrahMos surface-to-surface and MRSAM air-defence missiles — the firepower blue-water task forces require [1].
• Learning-curve gains: build period compressed to 80 months from 93 for the first-of-class, indicating maturing serial production [2].

Domain awareness: Survey Vessel (Large)

• Blue-water operation is impossible without charted waters. Sanshodhak, the fourth and last SVL, performs coastal and deep-water hydrographic survey and collects oceanographic and geophysical data for defence and civil users [3].
• Completes the four-ship class after Sandhayak, Nirdeshak and Ikshak — a full capability tier delivered indigenously [3].

Industrial base

• 75% indigenous content in P-17A, involving 200+ MSMEs, generating ~4,000 direct and 10,000+ indirect jobs; Sanshodhak exceeds 80% indigenous content by cost [2][3].
• The layered fleet extends to the littoral: Agray, fourth of eight ASW Shallow Water Craft, ~77 m, the largest Indian warships using waterjet propulsion, armed with lightweight torpedoes and shallow-water SONAR [4].

Yet the cornerstone is incomplete — propulsion, sensors and select weapon subsystems still rely on foreign sources, and delivery timelines remain long. Deepening design capability, sustaining the MSME ecosystem through Positive Indigenisation Lists, and drawing private yards further into naval construction will convert present momentum into durable capability. Indigenous shipbuilding is thus both the instrument and the test of India's blue-water and SAGAR vision.