Section 123(a) in The Goa, Daman and Diu Town and Country Planning Act, 1974
(a)obstructs, or molests any person engaged or employed by the Board or any Planning and Development Authority or any person with whom the Board or Planning and Development Authority has entered into a contract, in the performance or execution by such person of his duty, or of anything which he is empowered or required to do under this Act, or of any rule or regulation made thereunder or under the contract, as the case may be; or