बिहार के लोगों की जीविका का मुख्य आधार निम्नलिखित में से कौनसा है ? - Which of the following is the main source of livelihood of the people of Bihar? - Bihar Ke Logon Ki Jeevika Ka Mukhya Aadhaar NimnLikhit Me Se Kaunsa Hai ? Bihar Gk in hindi, Krishi Krishi question answers in hindi pdf Kuteer Udyog questions in hindi, Know About Khanij Padarth Bihar Gk online test Bihar Gk notes in hindi quiz book Bade Udyog .