प्रारंभिक बौद्ध पालि ग्रंथों में गाँव के मुखिया को किस नाम से संबोधित किया गया है?

Which of the following transformations did NOT primarily take place in Northern India during the 6th Century B.C.?

By whom was the world's first republic established at Vaishali during the Mahajanapada period?

Who was the final ruler of the Nanda dynasty, overthrown by Chandragupta Maurya?