India's 5th-Gen fighter jets: Seven firms bid to co-develop AMCA prototypes with DRDO | Details here Seven Indian defence firms have bid to co-develop prototypes of the Advanced Medium Combat Aircraft (AMCA) - India’s first fifth-generation stealth fighter jet. The mega project, worth Rs 2 lakh crore, is expected to deliver over 125 aircraft, with induction likely by 2035. New Delhi:At least seven Indian defence firms have submitted bids to partner with the Defence Research and Development Organisation (DRDO) for the design and development of prototypes of the Advanced Medium Combat Aircraft (AMCA) - the country's first fifth-generation stealth fighter jet. The Defence Ministry has been closely involved with the AMCA project ever since it received approval from the Cabinet Committee on Security last year. The Defence Secretary has been working in coordination with DRDO and ADA to ensure the ambitious project stays on schedule.