वट सावित्री का त्यौहार मिथिलांचल में किस दिन मनाया जाता है ? - On which day is the festival of Vat Savitri celebrated in Mithilanchal? - vat Savitri Ka Tyohar mithilanchal Me Kis Din Manaya Jata Hai ? Bihar Gk in hindi, Mele Kartik Purnima question answers in hindi pdf Magh Purnima questions in hindi, Know About Jyeshth Amawasya Bihar Gk online test Bihar Gk notes in hindi quiz book Bhadrapad Amawasya