उत्तर प्रदेश में सामाजिक वानिकी कब प्रांरभ हुई ? - When did social forestry begin in Uttar Pradesh? - Uttar Pradesh Me Samajik Waniki Kab Prarambh Hui ? UP GK in hindi, खनिज सम्पदा, वन्य सम्पदा एवं वन्य जीव 1978 - 79 question answers in hindi pdf 1979 - 80 questions in hindi, Know About 1975 - 76 UP GK online test UP GK notes in hindi quiz book 1992 - 93