बिहार में कहाँ खाद्य प्रसंस्करण और वनस्पति बनाने का कारखाना स्थित है ? - Where is the food processing and vegetable making factory located in Bihar? - Bihar Me Kahan Khadya Prasanskarann Aur Vanaspati Banane Ka Karkhana Sthit Hai ? Bihar Gk in hindi, Udyog Patana Aivam Aurangabad question answers in hindi pdf Katihar Aivam Samastipur questions in hindi, Know About Katihar Aivam Bihar Shareef Bihar Gk online test Bihar Gk notes in hindi quiz book Mazaffarpur Aivam Barauni