DRDO, L&T join hands for realisation of Indigenous AIP System for Indian Navy

  • Industry News
  • Jun 24,23
Larsen & Toubro and DRDO under contract for realisation will work on Air Independent Propulsion (AIP) System Modules for Kalvari Class of Submarines of the Indian Navy.
DRDO, L&T join hands for realisation of Indigenous AIP System for Indian Navy

Larsen & Toubro and DRDO signed a contract for the realisation of two Air Independent Propulsion (AIP) System Modules for Kalvari Class of Submarines of the Indian Navy. The contract documents were exchanged between Arun T Ramchandani, Executive Vice President and Head-L&T Defence and PT Rojatkar, Director - Naval Materials Research Laboratory (NMRL) in the presence of J D Patil, Member of the Executive Committee of Management and Advisor (Defence & Smart Technologies) to CEO & MD Larsen & Toubro & Senior officials from NMRL and L&T.

These Modules constitute the core of the fuel cell-based AIP System, indigenously developed by the Naval Materials Research Laboratory (NMRL) of DRDO with L&T as the prime industry partner, an association spanning more than a decade. The Energy Modules (EMs) comprising Fuel Cells produce the required power, along with onboard Hydrogen generation. The technology of this indigenous AIP system is a unique one that generates hydrogen on demand thereby obviating the need for carrying hydrogen onboard which is a major safety concern for a submarine. On realisation and integration of these modules in the submarines, India will join an elite club of a handful of nations who have indigenously developed fuel cell-based submarine AIP technology which is critical for increasing the endurance of conventional submarines. It is pertinent to mention here that principally this technology is a green one since the by-product of the reaction is non-polluted water which can be released into the oceans.

Commenting on the development, Ramchandani said, “We are proud to be the longest-serving development partner to DRDO across programs in multiple domains. L&T is privileged to be associated with accomplishing the dream of realising an indigenous AIP system and mark India‘s joining a select group of few nations who have developed the requisite technology. Our commitment to nation-building continues to be as strong as ever and establishes yet another milestone in our journey to fulfill India’s aspirations to become Atmanirbhar in critical technologies.”

L&T is the recipient of Transfer of Technology (ToT) for this DRDO-developed AIP System. The Transfer of Technology documents for the same were handed over to Patil by Rajnath Singh in the presence of Chief of Defence Staff and Navy Chief during Aero India 2021 In Bangalore.

The manufacturing, integration and factory acceptance trials of the EMs will be undertaken in L&T’s AM Naik Heavy Engineering Complex at Surat. State-of-the-art infrastructure, best practices at L&T and cutting-edge technology will ensure requisite quality and on-time delivery. The EMs will be supplied for integration into the AIP Plug that will be retrofitted into the submarine.

This project would pave the way for order(s) for AIP Systems for the remaining five Kalvari Class submarines in the coming years. This could also open up possible export opportunities to other countries that operate Scorpene-class submarines.

Related Stories

Aerospace Defence
Bharat Forge secures major ATAGS contract for Indian Army

Bharat Forge secures major ATAGS contract for Indian Army

This landmark order marks a boost for India's indigenous defence capabilities and reflects the country’s emphasis on self-reliance in defence manufacturing.

Read more
Electrical & Electronics
L&T appoints Gopi Thangavel as Group CIO

L&T appoints Gopi Thangavel as Group CIO

With over 20 years of experience, Thangavel joins L&T from Reliance Industries, where he held key leadership roles for more than six years.

Read more
Construction Equipment
RAHSTA Expo 2024 concludes to a grand success

RAHSTA Expo 2024 concludes to a grand success

Smart Manufacturing & Enterprises (SME) and Equipment India (EI) host construction equipment (CE) industry leaders to discuss the future of CE industry. The 10th India Construction Festival (ICF) 20..

Read more

Related Products

Troop Comforts revolutionises military gear with indigenous innovations

Aerospace & Defence

Troop Comforts Ltd (TCL), a state-owned defence corporation, has recently received a request for proposal (RFP) from the Northern Command of the Indian Army for its indigenously developed military gea Read more

Request a Quote

Hi There!

Now get regular updates from IPF Magazine on WhatsApp!

Click on link below, message us with a simple hi, and SAVE our number

You will have subscribed to our Industrial News on Whatsapp! Enjoy

+91 84228 74016

Reach out to us

Call us at +91 8108603000 or

Schedule a Call Back