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Manastu Space, based in Mumbai, is pioneering green thrusters for satellites and launch vehicles, developed by IIT Bombay alumni Tushar Jadhav and Ashtesh Kumar. The startup's propulsion systems use MS289, a hydrogen peroxide-based fuel that is a safer alternative to the toxic hydrazine.

Their products include the Vyom 2U thruster for 50-100 kg satellites and the iBooster for 100-500 kg satellites. On December 31, 2024, the Vyom 2U was successfully test-fired aboard ISRO's PSLV-C60 mission. Manastu's innovations promise improved fuel efficiency and lower costs, supporting India's vision of self-reliance in space technology.