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DRDO and Naval Group France reach an agreement to equip submarines of the Kalvari class with an indigenous AIP system

The indigenous fuel cell-based Air Independent Propulsion (AIP) technology will soon be installed on the INS Kalvari, per an agreement between the Defense Research and Development Organization (DRDO) and the Naval Group France.

According to a statement released by the DRDO on Monday, senior officials of the NMRL and Naval Group France signed an agreement in Mumbai to continue cooperation and enter the detailed design phase for the integration of indigenous AIP in submarines of the Kalvari class.

“As part of the deal, Naval Group France will validate the AIP design for incorporation in submarines,” the statement continued.

According to the DRDO, the AIP has a “force multiplier effect” on the lethality of a diesel-electric submarine because it increases submerged endurance by a factor of several. ” t has performance advantages over other methods and is unique in that the hydrogen is produced onboard. With the assistance of Indian industry partners, NMRL has successfully developed this technology, which has now attained the maturity level required for industrialization.

The AIP’s land-based prototype of the NMRL has been previously tested successfully.

NMRL and Indian industry will execute the comprehensive design certification of the energy module, and Naval Group will design the platforms impacted by the integration of the indigenous AIP into the Indian submarine, according to the DRDO.

Pierre Eric Pommellet, Chairman and CEO of Naval Group France, was quoted in the statement as stating that they are happy to work with Indian stakeholders to securely incorporate AIP into the submarines of the Kalvari class, which were constructed by Mazagon Dock Shipbuilders Limited.

This is a logical continuation of the strategic bilateral collaboration shared by India and France in the sphere of undersea defense and deterrence and is consistent with Naval Group’s sustained commitment to the government’s “Aatmanirbhar Bharat” strategy, Pommellet noted.


Hi, my name is Nisha and I'm an educational journalist based in India. I've always been passionate about the power of education to transform lives, and that's what led me to pursue a career in journalism focused on this area. I completed my Bachelor's degree in English from Hindu College in Delhi in 2013 and then went on to earn my Master's in Journalism and Mass Communication from the Indian Institute of Mass Communication in 2017. During my studies, I also completed several short-term courses on Education in India, Sociology, and other related subjects to deepen my knowledge in this field. I'm particularly interested in improving access to quality education in rural areas, where students often face significant challenges. I've worked on a number of initiatives to address this issue, including advocating for better policies, resources, and practices that can make a difference. As an educational journalist, I'm passionate about using my platform to highlight important issues in the education space. I've covered a wide range of topics, including the impact of technology in the classroom, innovative approaches to teaching and learning, and the challenges facing students from marginalized communities. One of the things I love most about my work is the opportunity to constantly learn and grow. I'm an avid reader and believe that reading is key to expanding one's knowledge and perspective. I'm always seeking out new ideas and insights to help me better understand the world around me. In summary, as an educational journalist, I'm dedicated to using my skills and expertise to make a positive impact in the field of education. I'm committed to improving access to quality education for all students and to using my platform to raise awareness about important issues in this area.

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