2.Learned counsel appearing for the petitioner submitted that the petitioner has become the owner of the subject property, which is 37 years old superstructure, situated at Old No.11 and 12, New No.03, Ajees Nagar, Ennore High Road, Tondiarpet, Chennai-600 081, having purchased the same from his vendors vide registered Sale Deed Nos.367/2011, 1816/2012 and 3321/2011 dated 02.02.2011, 23.05.2012 and 21.09.2011 respectively. From the date of purchase, the petitioner has been in peaceful possession and enjoyment of the same with electricity and water connection and all infrastructure facilities. Since the old building was in a dilapidated condition, the petitioner had put up ground plus two floors building for their clinic purposes. However, the petitioner has also taken steps to apply under the regularisation scheme, since the old superstructure was in a dilapidated condition and was removed subsequently. While so, the second respondent issued a lock and seal and demolition notice dated 26.07.2021 alleging un-authorised construction, calling upon the petitioner to produce necessary plan for the aforesaid property, for which, he had given a detailed reply, narrating the material facts. In spite of the reply, the second respondent issued the locking and sealing notice calling upon the petitioner to restore the land to its condition before the construction took place, within 30 days from the date of receipt of the above notice, failing which, further action will be taken under the provisions of Section 57(4) of the Tamil Nadu Town and Country Planning Act to seal the building. Learned counsel for the petitioner further submitted that the petitioner, before putting up ground + 2 floors building, should have obtained planning permission, which has not been done. Therefore, on receipt of the impugned lock and seal notice, he has been advised to come to this Court to