Section 2(5) in Tripura Town and Country Planning Act, 1975
(5)"building operations" includes-(a)erection or re-erection of a building, or any part of it;(b)roofing, re-rooting of any part of a building or open space ;(c)any material alteration or an enlargement of any building ;(d)any such alteration of a building as is likely to affect an alteration of its drainage or sanitary arrangement, or materially affect its security ;.(e)the construction of a door opening on any street or land not belonging to the owner;
