BANGALORE: The centenary year celebrations of the Amateur Dramatic Association’s (ADA) Rangamandira will conclude with an eight-day valedictory function starting on Thursday. The function will be inaugurated by writer and dramatist Chandrashekar Kambar. A booklet on the ADA will be released by I.M. Vittal Murthy, Secretary, Department of Sports and Youth Services. Various plays will be staged during the eight days.