2.It is the case of the petitioner that they are constructing a multi-storeyed building in two phases for the purpose of establishing a World Class Information Technology, Special Economic Zone under the name and style of “DLF IT Park” to an extent of 41.29 acres in Mugalivakkam and Manapakkam Villages of Sriperumbudur Taluk, Kancheepuram District, after obtaining all the requisite permission from all the concerned authorities. The petitioner submitted an application to the 3rd respondent – Board on 13.01.2006 for availing 5.8 MVA HT service connection for IT office space. The petitioner received a letter from the 3rd respondent dated 27.02.2006 wherein the 3rd respondent called upon the petitioner to remit an EMD for Rs.46,40,000/-, along with Rs.500/- towards registration fee. On 17.03.2006, the petitioner remitted the sum of Rs.46,40,500/- to the respondent – Board. The petitioner received a letter dated 07.10.2006 wherein the petitioner was called upon to avail the supply of power within three months from 04.10.2006 and that the monthly minimum charges will be levied as and from that date. By letter dated 03.11.2006, the 3rd respondent again made a demand of Rs.27,53,525/- for effecting new demand of 5800 KVA. The said amount was paid by the petitioner on 20.11.2006.