August 27, 2025
INS Udaygiri and INS Himgiri
Why in the News?
Two Nilgiri-class stealth guided-missile frigates — INS Udaygiri and INS Himgiri — were simultaneously commissioned into the Indian Navy in Visakhapatnam.
Key Points: INS Udaygiri and INS Himgiri
INS Udaygiri:
- Part of the Project 17A stealth frigates.
- Built by Mazagon Dock Shipbuilders Ltd (MDL), Mumbai.
- Second ship of the Project 17A class.
INS Himgiri:
- The initial Project 17A stealth frigate, constructed by Garden Reach Shipbuilders.
Significance:
- It was the first instance where two significant surface warships from separate Indian shipyards were commissioned at the same time.
- Ships are equipped with “sleek and stealthy” electronic warfare-capable systems and a formidable arsenal.
- Strengthen India’s ability to safeguard its maritime borders and address threats promptly.

- Class/Project: Nilgiri-class, part of Project 17A stealth frigates.
- Shipyard: Built by Mazagon Dock Shipbuilders Ltd (MDL), Mumbai.
- Class sequence: This vessel is the second in the Project 17A lineup.
Features:
- Features cutting-edge stealth technology that minimizes its radar visibility.
- Multi-role capabilities: anti-air, anti-surface, and anti-submarine warfare.
- Armed with modern missile systems, torpedoes, and electronic warfare systems.

About INS Himgiri:
- Class/Project: Nilgiri-class, part of Project 17A stealth frigates.
- Shipyard: Constructed by Garden Reach Shipbuilders & Engineers (GRSE) in Kolkata.
- Class order: This vessel is the lead ship of GRSE’s Project 17A series.
Features:
- Features stealth technology with a reduced radar profile and cutting-edge sensors.
- Designed for multi-dimensional warfare operations.
Equipped with cutting-edge weapons and combat management systems.