Who was appointed the Chairman of 'National Planning Committee' by Indian National Congress in 1938 ?

Who was the President of National Planning Committee, set up by the Congress?

Who called the Indian National Congress as a “Begging Institute”?

Who called the Congress Conferences as the "Annual National Festival of Educated Indians"?

Who accused Indian National Congress of practising ‘politics of prayer, petition and protest’:

Who among the following gave a systematic critique of the moderate politics of Indian National Congress in a series of articles entitled "New Lamps for Old"?