Explanation:

The Fiftieth (50th) Session of the Indian National Congress was held on 27 and 28 December 1936 at Faizpur, a village on the outskirts of Yawal Taluka of Jalgaon District of Bombay Presidency (Maharashtra). It was, here, for the first time that Congress held its Annual Session in a backward rural setting. A large number of peasants participated in the session. The Faizpur Session was important for the Congress which had been raising demands for the welfare of the peasants and adopted Radical Agrarian Programme. Hence option 4th is correct.