Prof Ranjan is a Nuclear Fusion Scientist, a Futurist, an Educator, an Innovator, an Entrepreneur and a Science Communicator. For last 5 years he was heading India's Technology Think Tank, TIFAC(Technology Information, Forecasting and Assessment Council) in Delhi as its Executive Director. TIFAC is an autonomous body of Dept of Science and Technology, Government of India.
TIFAC developed Technology Vision 2035 during his tenure, which was released by Hon'ble PM in Jan 2016. PMO has directed all Dept/Ministries to follow this document and take the agenda forward under leadership of NITI Aayog. Earlier he worked for nearly 20 years making important contribution to Nuclear Fusion research as scientist in India and USA. After this he worked on Chandrayaan-II mission, wildlife, agriculture and brain computer interface. He has brought smile on faces of many persons with severe disability by innovative assistive technology for more than 11 years.
Wireless Sensor Networks and Embedded Systems – applications to Planetary Exploration, Wildlife, Nuclear Fusion, Assistive Technology for persons with severe disability, Brain-Computer Interface