Rajasthan GK BisalPur Pariyojana Ka Nirmann Kab Prarambh Hua ?

बीसलपुर परियोजना का निर्माण कब प्रारंभ हुआ ? - When did the construction of Bisalpur project start? - BisalPur Pariyojana Ka Nirmann Kab Prarambh Hua ? Rajasthan GK in hindi,  Irrigation Projects 1970 - 71 question answers in hindi pdf  1988 - 89 questions in hindi, Know About 1978 - 79 Rajasthan GK online test Rajasthan GK notes in hindi quiz book    July 2003