2 The petitioner, on are earlier occasions, filed WP.No.44086/2017 against the Corporation of Chennai officials as well as against the 6th respondent herein, praying for issuance of a writ of mandamus, directing the Corporation of Chennai, to consider his representations dated 19.12.2014 and 18.11.2016 and to demolish the unauthorised construction put up by the 4th respondent therein / 6th respondent herein, at Door No.8, Kannagi Street, Visalatchi Nagar, Ekattuthangal, Chennai-32 and the said writ petition was disposed of by this Court on 22.12.2016, by directing the 3rd respondent therein - 4th respondent herein, to consider and dispose of the petitioner's representations after determining the veracity of the allegation. Thereafter, the petitioner was issued with the Stop Work Notice / notice calling for approved plan and challenging the said action, the petitioner filed WP.No.4466/2017 and it was disposed of by this Court on 22.02.2017, by directing the respondents 1 to 4 therein to re-examine the matter and initiate action in accordance with law and if any violation is noted, action can be initiated and in the interregnum, shall not take any coercive action and the petitioner was also granted liberty to produce the documents if any, available with him before the respondent-authorities. Thereafter, the petitioner has been issued with the impugned Lock and Seal and De-Occupation Notice dated 28.03.2018 and challenging the same, the present writ petition is filed.