2 The petitioner claims that a landed property admeasuring to an extent of 164 sq.m. comprised in S.No.93/3 in Block No.93/92 in Veeraragavapuram Village, Poonamallee, Tiruvallur District was allotted to her by the 1st respondent under the provisions of Revenue Standing Order 21 vide proceedings in Na.Ka.No.5499/2000/Aa2. The petitioner claims that she occupied the said property in the year 1994 and thereafter, put up superstructure consisting of shops and a house in front and rear portion respectively. The petitioner would state that she along with persons similarly placed, had applied for patta in respect of the lands in their possession and the Government had favourably considered and issued G.O.Ms.No.168, Revenue [Ne.Mu] Department dated 27.03.2000 and the Collector of Tiruvallur District vide proceedings bearing Na.Ka.No.36061/2000 has also submitted a proposal for issuance of house site pattas in favour of the occupants numbering 93 persons, including the petitioner. Accordingly, the Tahsildar, Poonamallee, vide proceedings dated 04.02.2001 has allotted the said property in the possession of the petitioner subject to the remittance of Rs.3442.50p. and it was also remitted. The petitioner would further aver that all of a sudden, to her shock and surprise, the 3rd respondent has issued the show cause notice dated 07.03.2018 u/s.28[2] of the Tamil Nadu State Highways Act, 2001, stating that the petitioner had encroached upon the land which falls within the Survey No.95/2 and calling upon her to remove the encroachment within a period of seven days and challenging the legality of the same, the petitioner has come forward to file the present writ petition.