 Between 1999 and 2000, he served as a member of Committee on Information Technology, Railway Convention Committee and Committee to Review the Rate of Dividend Payable by the Railway Undertaking to the General Revenues.Between 2000 and 2004, he served as a member of Consultative Committee of the Ministry of External Affairs.In 2003, under Chowdhury's leadership, the Congress party won 23 out of 33 "zilla parishad" seats, 13 out of 26 "panchayat samitis" and 104 out of 254 village councils in Murshidabad.