India’s DRDO (Defence Research & Development Organization) is reportedly poised to deliver its indigenously developed Air Independent Propulsion (AIP) plug-in time for integration with INS Khanderi during its scheduled refit in 2026–27. INS Khanderi is the second Kalvari-class (Project-75, Scorpene) submarine inducted into the Indian Navy (IN). It was commissioned on September 28, 2019. The … Continue reading India’s ‘Stealth Sub’ Breakthrough: DRDO AIP Upgrade on INS Khanderi Clears Path for Indigenous Project-76