Tessy Thomas, known as the "Missile Lady of India," is a distinguished scientist and Director General of Aeronautical Systems at DRDO. She played a pivotal role in the development of India's Agni series of missiles, including the Agni-V. Her groundbreaking work and leadership in missile technology, along with her inspirational journey as a prominent woman in science, highlight her significant contributions to India's defense capabilities and the advancement of women in STEM fields.