तत्व परमाणुओं से बने होते हैं, यह स्थापित करने वाला पहला आधुनिक परमाणु सिद्धांत किसने प्रतिपादित किया था?

Who among the following founded the 'Forward Bloc'?

Which of the following statements regarding the Harappan Civilization is NOT correct?

Which ruler is generally credited with unifying much of Northern India under a single empire for the first time?