'15. Certain provisions of Tank Act namely, Sections 4 to 10 were challenged in a Writ Petition with a prayer to declare those provisions as null and void and contrary to Article 14 of the Constitution of India on the ground that those provisions confer upon the executive, unguided and uncanalised discretionary power, since they denied to the persons aggrieved an opportunity of being heard. The said Writ petition was heard by a Division Bench to which one of us (M.Sathyanarayanan,J.) was a party. The Division Bench took note of the various decisions including the decision in the case of Sivakasi Region Tax Payers Association (supra), disposed of the Writ Petitions without declaring the provisions of the Act as unconstitutional, since no opportunity is given and held that there is nothing in the Act which excludes the principles of natural justice, the Act (Tank Act) does not specifically indicate that the encroachers do not have right to be heard and issued the following directions vide judgment dated 10.02.2010, reported in 2010 3 MLJ 771.