पटना के गोलघर का निर्माण कब हुआ था ? - When was the Golghar of Patna built? - Patana Ke GolGhar Ka Nirmann Kab Hua Tha ? Bihar Gk in hindi, Religious and Tourist Place 1785 question answers in hindi pdf 1786 questions in hindi, Know About 1784 Bihar Gk online test Bihar Gk notes in hindi quiz book 1787
1786