राज्य में विज्ञान एवं प्रौद्योगिकी विभाग की स्थापना कब की गइ ? - When was the Department of Science and Technology established in the state? - Rajya Me Vigyaan Aivam Praudyogiki Vibhag Ki Sthapanaa Kab Ki Gai ? UP GK in hindi, विज्ञान एवं सूचना प्रौद्योगिकी 1974 question answers in hindi pdf 1975 questions in hindi, Know About 1973 UP GK online test UP GK notes in hindi quiz book 1976