in the region. Mazumdar became the first Chairman of Hailakandi township in 1939 and in 1945 he became the first Indian Chairman of the Hailakandi Local Board, a post always held by the European tea planters.

The Muslim League proved its might in the Muslim-dominated areas of India in 1937 elections. To counter the rising popularity of Muslim League, he successfully organised the Jamiat Ulema-e-Hind movement in Assam. Jamiat was an ally of the Congress having a