The board of directors of Hindustan Construction Company (HCC) today cleared the appointment of Anil Singhvi as director of the company in place of R G Vartak who resigned as director effective July 27, 2007.Singhvi is the managing director of Icon Investments Advisors. Prior to this, he was the managing director of Ambuja Cements.HCC today reported a 39% increase in net profit at Rs 35 crore for the first quarter ended June 30, 2007. Turnover increased 26% to Rs 730.58 crore.