Bihar Gk Jadi - Bootiyon Se Polio Ki Dawa Ka Nirmann Bihar Ke Kis Vyakti ne Kiya Hai ?

जड़ी-बूटियों से पोलियो की दवा का निर्माण बिहार के किस व्यक्ति ने किया है ? - Which person from Bihar has made polio medicine from herbs? - Jadi - Bootiyon Se Polio Ki Dawa Ka Nirmann Bihar Ke Kis Vyakti ne Kiya Hai ? Bihar Gk in hindi,  Vibhootiyan Dr..Pancham Kumar Daas question answers in hindi pdf  Dr..D.N.Sahay questions in hindi, Know About Kumar Suresh Singh Bihar Gk online test Bihar Gk notes in hindi quiz book    Dr..BrajKishor Prasad