उत्तर प्रदेश में पंचायतों की त्रिस्तरीय प्रणाली कब प्रारंभ की गई ? - When was the three-tier system of panchayats started in Uttar Pradesh? - Uttar Pradesh Me Panchayaton Ki Tristareey Pranali Kab Prarambh Ki Gayi ? UP GK in hindi, POLITY 1962 - 63 question answers in hindi pdf 1963 - 64 questions in hindi, Know About 1961 - 62 UP GK online test UP GK notes in hindi quiz book 1964 - 65