NGO Arappor Iyakkam's complaint to Directorate of Vigilance alleges that 5 acres of govt land at St Thomas Mount were illegally registered under firm where minister's sons own 33% shares.----more----https://theprint.in/politics/dmk-minister-his-sons-illegally-grabbed-govt-land-worth-rs-400-cr-says-chennai-ngo-in-its-complaint/2324135/