बिहार के उत्तरी-पूर्वी भाग में ढाल उत्तर से है— - In the north-eastern part of Bihar, the slope is from the north- - Bihar Ke Uttari - Poorvi Bhag Me Dhal Uttar Se Hai — Bihar Gk in hindi, Geographical Structure Pashchim question answers in hindi pdf Dakshinn questions in hindi, Know About Poorv Bihar Gk online test Bihar Gk notes in hindi quiz book Inme Se Koi Nahi