उत्तर प्रदेश पिछड़ा वर्ग कल्याण विभाग की स्थापना कब की गई ? - When was the Uttar Pradesh Backward Classes Welfare Department established? - Uttar Pradesh Pichhda Warg Kalyann Vibhag Ki Sthapanaa Kab Ki Gayi ? UP GK in hindi, सरकारी योजनायें 1993 question answers in hindi pdf 1995 questions in hindi, Know About 1991 UP GK online test UP GK notes in hindi quiz book 1997