CHENNAI: Kansai Nerolac Paints has increased its net profit by 23.2 per cent to Rs. 27.10 crore in the first three months ended June 30, 2006, from Rs. 22 crore in the year-ago period. Gross sales registered a rise of 18.1 per cent to Rs. 326.34 crore from Rs. 276.25 crore. The boom in housing and automobiles sectors continued to boost sales both in decorative and industrial paints, the company stated in a release.