General Science Ek radioactive Tatv Jiske Bhaarat Me Bade Bhannda Paye Jate Hai ?

एक रेडियोधर्मी तत्व जिसके भारत में बड़े भण्डार पाए जाते है ? - A radioactive element whose large deposits are found in India? - Ek radioactive Tatv Jiske Bhaarat Me Bade Bhannda Paye Jate Hai ? General Science in hindi,  Chemistry Radium question answers in hindi pdf  Thorium questions in hindi, Know About Plutonium General Science online test General Science notes in hindi quiz book    Uranium