2.According to the petitioners, the respondent corporation originally developed hundreds of plots and out of which, 50% of the plots were sold at outright price and the remaining plots were allotted as independent tenements in favour of the persons including the petitioner with understanding that these persons are entitled to purchase the same in terms of G.O.Ms.No.1854, Revenue Department dated 03.05.1957 as amended by G.O.Ms.No.1348 dated 03.04.1958. Subsequently in the year 2002, the second respondent converted 50 houses in the same CIT Nagar abutting the houses of the petitioners which are similar plots and sold the same to various third parties and that after various sales made by the department, there are 119 houses remaining including the petitioner's houses, to whom the respondents have not made the sale outright for the reasons best known to them. Therefore, it amounts to discrimination. Further, according to them, Tamil Nadu Housing Board is bound by G.O.Ms.No.1854, Revenue Department dated 03.05.1957 and ought to have sold to the petitioners/allottees the occupied tenements when they made a request for outright sale by converting from the rental scheme. Originally, the Association made a representation dated 22.11.1978 and that earlier, there was even a recommendation made by the second respondent to take various measures. The representation of the petitioners herein to extend the same benefit to them were rejected by the second respondent by order dated 31.12.2010.