chennai a total of 22 real estate agents registered with the tamil nadu real estate regulatory authority tnrera in january this year a majority of them are from chennai while a couple of real estate agents based in bengaluru and new delhi have also registered with the states realty regulatorlast year 185 individuals and firms registered with the real estate regulatory authority after the state government had notified the tamil nadu real estate regulation and development rules 2017 on june 22 2017 real estate agents shall maintain books of account records and documents in accordance with the provisions of the income tax act 1961 those registering as individuals should pay a registration fee of rs 25000 and others under the category of firms must pay rs 50000 towards the registration fee