बिहार में पहली बार अर्द्ध कुम्भ मेले का आयोजन कहाँ किया गया है ? - Where was the Ardh Kumbh Mela organized for the first time in Bihar? - Bihar Me Pehli Baar Ardh Kumbh Mele Ka Aayojan Kahan Kiya Gaya Hai ? Bihar Gk in hindi, Mele SonPur question answers in hindi pdf simariya questions in hindi, Know About Sultanganj Bihar Gk online test Bihar Gk notes in hindi quiz book Patana