chennai the tamil nadu real estate regulatory authority tnrera has recorded the registration of 36 housing projects in 23 days the period of registrations is from february 1 to march 15data available with the realty regulators portal show most of these projects are located in chennai metropolitan area cma comprising the city and fringes located in kancheepuram and tiruvallur districts and coimbatore this has taken the total number of housing projects registered with the real estate regulator to 68 this year according to the tamil nadu real estate regulation and development rules 2017 all ongoing housing projects with a minimum of eight units must be registered with tnrera and newly laid residential layouts also come under the purview of the real estate act the act came into force in tamil nadu from june 2017 after the state government notified the rules for it