Section 80(1)(a) in The U.P. Water Supply and Sewerage Act, 1975
(a)wilfully obstruct any person acting under the authority of the Jal Nigam or a Jal Sansthan under this Chapter in setting out the lines of any works or pull up or remove any pillar, post or stay fixed in the ground for the purpose of setting out the lines of such work or deface or destroy any works made for the said purpose; or