Minal Sampath, a systems engineer on India's Mars mission, worked flat out in a windowless room for two years, often for 18 hours a day, to prepare for the country's most significant space project to date.
Tessy Thomas, also known as the 'Missile Woman' of India, is the Director General of Aeronautical Systems and the former Project Director for the Agni-IV missile.
Anuradha T.K. was the first woman to be appointed as an ISRO satellite project director.
Lalithambika, an expert in Advanced Launcher Technologies, was instrumental in the development of the country's rocket programme; she has been with ISRO for over 30 years
She is the Project Manager (Mission Design) and Deputy Operations Director for Mangalyaan, India's Mars Orbiter Mission.