Padmini Mellacheruvu helped write the world’s first rules for classing hydrogen powered ships February 6, 2024 Maritime, Shipping, Trending News BENGALURU : Guntur, Andhra Pradesh born-raised and BITS Pilani educated Ms. Padmini Mellacheruvu, a former engineer associated with cryogenic rocket systems at India’s space agency, helped write the world’s first so-called ‘class rules’ for