बिहार में जौ का उत्पादन किस जिले में होता है ? - In which district barley is produced in Bihar? - Bihar Me Jau Ka Utpadan Kis Jile Me Hota Hai ? Bihar Gk in hindi, Krishi Purniya question answers in hindi pdf Gaya questions in hindi, Know About Mazaffarpur Bihar Gk online test Bihar Gk notes in hindi quiz book Ye Sabhi