PIB Yard 12652. Udaygiri, the second ship of the Project 17A stealth frigate, was delivered to the Indian Navy on July 1, 2025. This project is an evolution of the Shivalik class of Project 17 frigates already in service. Udaygiri is one of seven P17A frigates currently being constructed at MDL in Mumbai and GRSE in Kolkata.
These multi-role frigates are designed to operate effectively in blue water conditions, addressing both conventional and unconventional threats relevant to India’s maritime interests. Udaygiri is a modern counterpart to its predecessor, the former INS Udaygiri, which was a steam ship decommissioned on August 24, 2007, after a commendable 31 years of service.
The P17A ships boast enhanced stealth capabilities and are equipped with state-of-the-art weapons and sensors, marking a significant upgrade from the earlier P17 class. These vessels represent a substantial leap forward in the Indian Navy's in-house design features, thanks to the Warship Design Bureau.
Constructed under the Integrated Construction philosophy, the new ships undergo extensive pre-fabrication at the block level, which helps to streamline the overall construction process. Notably, Udaygiri was delivered to the Indian Navy in an impressive 37 months from its launch date.
The hull design of the P17A ships is geometrically improved, enhancing performance compared to the P17. These vessels are outfitted with a sophisticated suite of weapons and sensors that offer superior stealth and agility.
Udaygiri is powered by a Combined Diesel or Gas (CODOG) main propulsion system, featuring a diesel engine and a gas turbine driving controllable pitch propellers on each shaft, along with a cutting-edge Integrated Platform Management System (IPMS). The weaponry includes supersonic surface-to-surface missiles, a medium-range surface-to-air missile system, a 76mm gun, and rapid-fire close-in weapon systems of 30mm and 127mm calibers.
This ship delivery highlights India’s self-reliance in shipbuilding and the generation of employment. Udaygiri showcases the nation's capabilities in ship design and construction, supported by a robust industrial ecosystem that includes over 200 micro, small, and medium enterprises (MSMEs).
The construction project has generated direct employment for around 4,000 personnel and over 10,000 jobs indirectly through ancillary services. The broader benefits of the shipbuilding initiative include self-sufficiency, economic development, job creation, and the growth of MSMEs within the country.
The remaining five ships of the P17A Class are at various stages of development at MDL in Mumbai and GRSE in Kolkata and are expected to be delivered progressively by the end of 2026.
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