जवाहर लाल नेहरू को भारतीय राष्ट्रीय कांग्रेस का अध्यक्ष कब बनाया गया ? - When was Jawaharlal Nehru appointed as the President of the Indian National Congress? - Jawahar Laal Nehru Ko Bharateey Rashtriya Congress Ka Adhyaksh Kab Banaya Gaya ? UP GK in hindi, महान व्यक्तित्व 1929 question answers in hindi pdf 1930 questions in hindi, Know About 1928 UP GK online test UP GK notes in hindi quiz book 1931