चावल की सर्वाधिक उत्पादकता (किलोग्राम प्रति हेक्टेयर) किस जिले की है ? - Which district has the highest productivity (kg per hectare) of rice? - Chawal Ki Sarwaadhik Utpadakta (KiloGram Prati Hectare) Kis Jile Ki Hai ? Bihar Gk in hindi, Krishi Bhojpur question answers in hindi pdf Rohtas questions in hindi, Know About Nalanda Bihar Gk online test Bihar Gk notes in hindi quiz book Poorvi Champaran