Dr. Mukhtar Ahmed Ansari presided over the All Parties Conference held in Lucknow in August 1928, where the Nehru Report was formally presented and discussed. While the report itself was drafted by a committee chaired by Motilal Nehru, Dr. Ansari’s role as the presiding officer was to coordinate the various political factions, including the Congress and the Liberal Federation. ANSWER: (B) Dr. Ansari