ITANAGAR, Aug 18:After completing six years tenure as member of Arunachal Pradesh Public Service Commission (APPSC), Mamang Dai relinquished her charges as member of the commission on Friday. Dai joined the commission on the same date in August 2011 as a member. Speaking at the farewell function held in her honour today, Dai thanked the government and the commission for extending full support and cooperation to her.