PWD Minister Rajesh Munat in a written reply to Cong member Devti Karma informed the State Assembly on Friday that the Chhattisgarh Housing Board (CGHB) constructed a total of 7211 EWS houses in 10 districts of the State between 2011-12 to December 2014.Amongst them a total of 6377 were allotted and 834 were laying vacant, he added.The houses were constructed in Raipur, Durg, Balod, Rajnandgaon, Kabirdham, Bastar, Bilaspur, Mungeli, Raigarh and Korba districts, he said.