chennai a total number of 101 housing projects have been registered with the tamil nadu real estate regulatory authority tnrera between september 9 and october 22 several of these projects that were registered by the states realty regulator in october are executed by the tamil nadu housing board and the tamil nadu slum clearance board besides private housing layoutsdata available on the tnrera portal show that 40 housing projects from across tamil nadu came under the purview of the real estate regulatory authority in october as per the tamil nadu real estate regulation and development rules 2017 all ongoing housing projects with a minimum of eight units that are meant for sale should be registered with the tnrera