India, Feb. 2 -- Hindustan Petroleum Corporation (HPCL) executed a Share Subscription and Shareholders Agreement (SSSHA) with IIT Kanpur incubated Deep-tech Startup Maraal Aerospace at IEW 2026, Goa, on 29 January 2026 marking a significant milestone in advancing India's clean-energy and deep-tech aerospace ecosystem. Under HPCL's Startup Support Initiative 'HP Udgam', HPCL is investing Rs. 2 crore in the startup to accelerate product development, testing, and system validation, enabling faster product realization and scale-up.Maraal Aerospace is developing India's First Solar-Powered Long endurance Drone powered by clean-energy propulsion. The product combines high-efficiency aerodynamics with solar-assisted electric propulsion, offering u...