SYLLABUS
GS-3: Various Security forces and agencies and their mandate.
Context:
Recently, the Indian Navy simultaneously commissioned two stealth frigates of Project 17A, INS Udaygiri and INS Himgiri, at the Eastern Naval Command base, Visakhapatnam.
More on the News
- This marks the first simultaneous commissioning of two frontline surface combatants built indigenously at two different shipyards.
- Defence Minister announced that INS Tamal will be the last foreign-built ship of the Indian Navy, as all future naval ships will be constructed indigenously in India to achieve self-reliance in defence shipbuilding.
- Both frigates feature approximately 75% indigenous content, supported by over 200 MSMEs and generating thousands of jobs.
- Both frigates will join the Eastern Fleet under the Eastern Naval Command.
About INS Udaygiri
- It was built by Mazagon Dock Shipbuilders Ltd (MDL), Mumbai, and it is the 100th warship designed by the Navy’s Warship Design Bureau (WDB), marking a milestone in indigenous warship design.
- It is known for being the fastest ship in her class to be delivered post-launch, owing to modular construction techniques adopted by Indian shipyards.
- It revives the legacy of the earlier INS Udaygiri (F35), which served the Indian Navy from 1976 to 2007 before decommissioning.
- The motto is ‘Sanyuktaha Paramojayaha,’ meaning in togetherness there is great victory.
About INS Himgiri

- It is constructed by Garden Reach Shipbuilders & Engineers (GRSE), Kolkata, reflecting India’s multi-shipyard capacity for advanced warship building and it is the 101st warship designed by the Navy’s Warship Design Bureau (WDB)
- Designed as a follow-on ship of the Shivalik-class (Project 17) with enhanced stealth, advanced weapons, sensors, and modern propulsion systems.
- It revives the name of the INS Himgiri (F34), which served from 1974 to 2005, carrying forward its legacy into India’s growing blue-water naval force.
Features of Udyagiri and Himagiri
- Stealth: Both frigates incorporate improved stealth features, reduced radar signatures, and advanced surveillance radars to minimise detection.
- Propulsion: Both ships feature Combined Diesel or Gas propulsion plants and a state-of-the-art Integrated Platform Management System, enabling higher speeds and improved fuel efficiency.
- Armament: Equipped with electronic warfare suites, supersonic surface-to-surface missiles, surface-to-air missiles and rapid-fire gun systems.
Project 17A (Alpha)
- Project 17A (Alpha) refers to an Indian Navy initiative to build seven advanced, indigenous stealth guided missile frigates, designed to have improved stealth, weapons, and sensors.
- It was launched in 2019 and frigates are the follow-on class of the Project 17 (Shivalik Class) Frigates.
- A total of 7 frigates under Project 17A are under various stages of construction at Mazagon Dock Shipbuilders Limited (MDL) and Garden Reach Shipbuilders & Engineers (GRSE).
- 7 Frigates of Project 17A: Nilgiri, Himgiri, Taragiri, Udaygiri, Dunagiri, Mahendragiri, and Vindhyagiri.
Source
The Hindu
New Indian Express
Pib
