Paper: GS – III, Subject: Science and Technology, Topic: Defence Technology, Issue: INS Nistar.
Context:
The Indian Navy has inducted INS Nistar, its first indigenously built Diving Support Vessel, delivered by Hindustan Shipyard Limited. It enhances deep-sea diving and submarine rescue capabilities, boosting India’s maritime self-reliance and operational strength.

Key Takeaways:
About Nistar:
- It is the first indigenously designed and constructed Diving Support Vessel.
- The ship’s name, ‘Nistar’, originates from Sanskrit and means liberation, rescue or salvation.
- The warship has been designed and built as per classification rules of the Indian Register of Shipping (IRS).
Features of Nistar:
- The ship, measuring 118 m with a tonnage of nearly 10,000 tons, is installed with state-of-the-art Diving Equipment and has the capability to undertake Deep Sea Saturation Diving up to 300 m depth.
- The ship also has a Side Diving Stage for undertaking Diving Operations up to 75 m depth.
- The ship will also serve as the ‘Mother Ship’ for the Deep Submergence Rescue Vessel (DSRV), to rescue and evacuate personnel, in case of an emergency in a submarine underwater.
- The ship is equipped with a combination of Remotely Operated Vehicles to undertake Diver Monitoring and Salvage Operations up to a depth of 1000 m.
INS Nistar: Capabilities and Strategic Importance:

La Excellence IAS Academy, the best IAS coaching in Hyderabad, known for delivering quality content and conceptual clarity for UPSC 2025 preparation.
FOLLOW US ON:
◉ YouTube : https://www.youtube.com/@CivilsPrepTeam
◉ Facebook: https://www.facebook.com/LaExcellenceIAS
◉ Instagram: https://www.instagram.com/laexcellenceiasacademy/
GET IN TOUCH:
Contact us at info@laex.in, https://laex.in/contact-us/
or Call us @ +91 9052 29 2929, +91 9052 99 2929, +91 9154 24 2140
OUR BRANCHES:
Head Office: H No: 1-10-225A, Beside AEVA Fertility Center, Ashok Nagar Extension, VV Giri Nagar, Ashok Nagar, Hyderabad, 500020
Madhapur: Flat no: 301, survey no 58-60, Guttala begumpet Madhapur metro pillar: 1524, Rangareddy Hyderabad, Telangana 500081
Bangalore: Plot No: 99, 2nd floor, 80 Feet Road, Beside Poorvika Mobiles, Chandra Layout, Attiguppe, Near Vijaya Nagara, Bengaluru, 560040