Get latest articles and stories on India at LatestLY. Former DRDO chief Dr G Satheesh Reddy said that the country has become self-sufficient in missile technology by developing varieties of missiles and added that the restrictions imposed on India after the Pokhran 1 nuclear tests in 1974 "helped" the nation achieve self-reliance. India News | India Has Become Self-sufficient, Self-reliant in Missile Technology: Scientific Advisor to Defence Minister.