Bhubaneswar: Former minister and BJD MLA Rajani Kanta Singh has been appointed as the chairman of State Minimum Wage Advisory Board. The Odisha chief minister Naveen Patnaik Tuesday appointed Singh as the head of the Wage Board. He also appointed Nimapara MLA Samir Ranjan Dash, Khalikot MLA Purna Chandra Sethi and Dasapalla MLA Purna Chandra Nayak as members of the Board.