chennai a total of 461 housing projects have been registered with the tamil nadu real estate regulatory authority tnrera so far this year which is an increase by 22 when compared to the corresponding period of 2020 data available with the states real estate regulatory authoritys portal states that a total of 461 housing projects have been registered till july 28 2021 during the corresponding period of last year 377 projects were registered with tnrera this year 135 new housing projects came under the ambit of the states real estate regulator from may 7 to july 28 around 100 projects that were registered in the past three months between may and july are coming up in chennai chengalpet kancheepuram and tiruvallur districts as per the rules of tamil nadu real estate regulation and development rules 2017 all ongoing housing projects with a minimum of eight units meant for sale and housing plots should be registered with the tnrera