chennai the number of housing projects registered with the tamil nadu real estate regulatory authority tnrera till october this year has exceeded the total number of projects that were registered in 2020 while 765 housing projects were registered with the states real estate regulatory authority between january and october only 755 projects were registered from january to december in 2020 a year before 492 housing projects got registered for the entire 2019 according to data available with the tnreras portal a chunk of these projects that were registered are located in the chennai metropolitan area and neighbouring chengalpet kancheepuram and tiruvallur districts the tamil nadu real estate regulation and development rules 2017 mandates all ongoing housing projects with a minimum of eight units meant for sale and housing plots must be registered with the states real estate regulatory authority