हरियाणा में प्रसिद्ध बड़खल झील का निर्माण कब हुआ था ? - When was the famous Badkhal Lake in Haryana formed? - Hariyana Me Prasidh BadKhal Jheel Ka Nirmann Kab Hua Tha ? Haryana Gk in hindi, General Studies 1960 Ee. Me question answers in hindi pdf 1947 Ee. Me questions in hindi, Know About 1957 Ee. Me Haryana Gk online test Haryana Gk notes in hindi quiz book 1967 Ee. Me