INS Agray, INS Dunagiri and INS Sanshodhak

News: Three frontline naval platforms, INS Dunagiri, INS Sanshodhak, and INS Agray were delivered to the Navy by Garden Reach Shipbuilders and Engineers Ltd. (GRSE).

About INS Agray, INS Dunagiri and INS Sanshodhak

About ‘Agray’ ASW SWC

• INS Agray is the fourth vessel among the eight Anti-Submarine Warfare Shallow Water Craft (ASW SWC) being built for the Indian Navy.
• Designed and constructed by: It has been indigenously designed and constructed by Garden Reach Shipbuilders & Engineers (GRSE), Kolkata.
• It is a reincarnation of the earlier INS Agray, which belonged to the 1241 PE class of patrol vessels and was decommissioned in 2017.
• It has been designed and built in accordance with the classification rules of the Indian Register of Shipping (IRS).
• Features: It measures approximately 77 metres in length.
  • It is among the largest Indian Naval warships powered by waterjet propulsion systems.
  • It is equipped with state-of-the-art lightweight torpedoes, indigenous rocket launchers, and shallow-water SONAR, enabling effective detection and engagement of underwater threats.

About INS Dunagiri

• It is the fifth ship of Nilgiri Class developed under Project 17A.
• Features: It is 149-metre-long and 6,670-tonne stealth frigate.
  • It is equipped with advanced weapons and sensors, including BrahMos cruise missiles, AESA radar, and an integrated combat management system.
  • It is powered by a combined diesel and gas turbine configuration.
  • It is capable of multi-dimensional operations across air, surface, and sub-surface domains.

About INS Sanshodhak

• INS Sanshodhak is the fourth and final Survey Vessel (Large) of the four Survey Vessel (Large) (SVL) class ships.
• Features: It is 110-metre vessel, with a displacement of around 3,400 tonnes.
  • It is equipped with advanced systems such as data acquisition and processing units, autonomous underwater vehicles, remotely operated vehicles and digital side scan sonar.
  • It can also support helicopter operations, HADR missions, and limited combat roles.
  • It is designed for coastal and deep-water surveys, collection of oceanographic data and geophysical data for both defence and civilian applications.

About Project 17A Project 17A is an Indian Navy initiative to build seven advanced stealth frigates as successors to the Shivalik-class (Project 17). Project 17A frigates are versatile multi-mission platforms, designed to address current and future challenges in the maritime domain. These frigates feature superior stealth characteristics, enhanced automation, advanced sensors, and modern weapon systems. Built by: Of the seven ships, four – Nilgiri, Udaygiri, Taragiri, and Mahendragiri – are being built by MDL, and three– Himgiri, Dunagiri, and Vindhyagiri by GRSE. The four frigates earlier delivered under the Project are – INS Himgiri INS Udaygiri INS Nilgiri INS Taragiri