Indian Navy received INS Mahendragiri (Yard 12654), the sixth stealth frigate under Nilgiri-class (Project 17A), from Mazagon Dock Shipbuilders Limited(MDSL). It is the fourth and final ship constructed by MDSL under Project 17A programme. With this induction, the Navy has now received six Project 17A frigates in less than 17 months, beginning with INS Nilgiri delivered on 20 December 2024.
About INS Mahendragiri
INS Mahendragiri is a next-generation stealth frigate, serving as a follow-on to the Shivalik-class (Project 17) warships. It features enhanced stealth, modern weapon systems, and high automation levels. The ship is named after a mountain peak in the Eastern Ghats of Odisha.
Development
- Manufacturer: Mazagon Dock Shipbuilders Limited, Mumbai
- Designer: Warship Design Bureau (WDB), Indian Navy
Aim
- To provide multi-mission naval platforms capable of addressing modern threats in the Indian Ocean Region (IOR)
- To enhance Aatmanirbharta (self-reliance) in defence manufacturing
Key Features
- Advanced Stealth: Reduced radar signature through improved hull design and radar-absorbent materials
- Propulsion System: Combined Diesel or Gas (CODOG) configuration
- Diesel engines for efficient cruising
- Gas turbines for high-speed operations
- Controlled via Integrated Platform Management System with Controllable Pitch Propellers
- Combat Capabilities: Equipped with a comprehensive three-dimensional combat suite:
- Anti-Surface Warfare (ASuW)
- Anti-Air Warfare (AAW)
- Anti-Submarine Warfare (ASW)
- Automation: Integrated Platform Management System (IPMS) for centralized control of machinery and systems
- Indigenous Content: About 75% of components sourced domestically, including contributions from over 200 MSMEs
Significance
- Strengthens India’s blue-water naval capabilities and maritime security
- Demonstrates significant progress in indigenous warship design and construction
- Highlights improved efficiency in defence production with rapid delivery timelines
- Reinforces India’s strategic presence in the Indian Ocean Region
Project 17A Programme
Project 17A is a major naval modernisation initiative involving seven stealth frigates:
Construction:
Ships in the series:
- INS Nilgiri, INS Himgiri, INS Udaygiri, INS Dunagiri, INS Taragiri, INS Vindhyagiri, INS Mahendragiri
Recent Developments:
- INS Vindhyagiri (built by GRSE) launched in 2023 and awaiting delivery
- INS Taragiri commissioned in April 2026
Design & Oversight:
- Designed by Warship Design Bureau
- Construction overseen by Warship Overseeing Team, Mumbai
Technological Upgrade:
- Builds upon the Shivalik-class with improved stealth, upgraded weapons and sensors, and advanced platform management systems