Members of the federation of City Sabhas, including Karthik Fine Arts, Narada Gana Sabha and The Mylapore Fine Arts Club, will be honouring Tamil theatre artiste K. S. Nagarajan at his 100th birthday celebration to be held at Narada Gana Sabha, Alwarpet on May 26. Nagarajan, who is still a regular at plays, will perform in the play ‘Yaar Paiyan’ by K. S. N. Sundar on that day. At T. T. K. Road, Mylapore, 6 p.m. Ph: 9551682993.