dɪvˈɛləpt ðə sˈɑːlɪd pɹəpˈɛlənt fɔːɹ ˈɪndiəz fˈɜːst spˈeɪs ɹˈɑːkɪt lˈɑːntʃt fɹʌm θˈʌmbə, ænd ðə dˌɛtənˈeɪʃən sˈɪstəm ʌv ˈɪndiəz fˈɜːst nˈuːklɪɹ bˈɑːm jˈuːzd ɪn ˌɑːpɚɹˈeɪʃən smˈaɪlɪŋ bˈuːdə.
Developed the solid propellant for India's first space rocket launched from Thumba, and the detonation system of India's first nuclear bomb used in Operation Smiling Buddha.