ग्रेटर नोएडा की स्थापना कब की गई ? - When was Greater Noida established? - Greater Noida Ki Sthapanaa Kab Ki Gayi ? UP GK in hindi, उद्योग 1992 question answers in hindi pdf 1993 questions in hindi, Know About 1991 UP GK online test UP GK notes in hindi quiz book 1995