India Mastered Cryogenic Engine Technology Once Denied to It: ISRO Chief

India mastered cryogenic engine technology once denied to it, ISRO Chairman V Narayanan said on Saturday. The country is preparing for the first uncrewed Gaganyaan mission, advancing Chandrayaan-4 and Chandrayaan-5. India aims for a space station by 2035 and a Moon landing by 2040.