Renowned DRDO missile scientist Ram Narain Agarwal, widely known as the "father of Agni Missiles," passed away on Thursday in Hyderabad due to age-related ailments. 83-year-old Agarwal, a Padma Bhushan awardee, was a pioneering figure in India's defense research and has significantly contributed to the development of India's long-range ballistic missile program. Dr Agarwal led the country's ambitious Agni missile …