ISRO is developing a green propulsion system ndtv.com

The Secretary, Department of Space, announced at the 16th convocation of SRM Institute of Science and Technology that the Indian space agency is developing green propulsion for its ambitious human space flight mission, ‘Gaganyaan’. The system may be adopted for use in every stage of a rocket

“As India continues to focus on economic growth, it needs to ensure that environmental damage is limited by adopting green technologies. ISRO has made space grade lithium-ion batteries and this technology is useful for mass adoption of electric vehicle”