Section 2(1)(A) in The Bengal Agricultural Income-Tax Act, 1944
(A)in any area which is comprised within the jurisdiction of a municipality (whether known as a municipality, municipal corporation, notified area committee, town area committee, town committee or by any other name) or a cantonment board and which has a population of not less than ten thousand according to the last preceding census of which the relevant figures have been published before the first day of the previous year; or