The question was moved by Rohtak MLA B B Batra on the issue of illegal colonies.
In his reply, CM Manohar Lal Khattar said 1,142 FIRs have been registered against errant promoters and beneficiaries so far.
Sources said 2,337 illegal colonies came up between 2014 and 2019 while 586 colonies mushroomed from January 1, 2020 to December 31, 2020.
The government claimed that besides registration of cases, demolition drives were conducted in 1,436 colonies between 2014 and 2019 and 557 colonies in 2020 while around 7,700 acres of land was cleared of illegal construction during this period.
The CM said the departments of urban local bodies and town and country planning continuously monitor the situation.