CHENNAI:Brahma Kumaris, an NGO, will be organising a World No Tobacco Day De-addiction Campaign at Mambalam Railway Station from 10 am to 6 pm on May 31. The campaign will include pictorial exhibition, video shows and street plays at the venue. Free Rajayoga meditation camp for de-addiction will also be organised from June 1 to June 3 at Rajayoga Meditation Centre, 18, Krishnamma Lane, Nungambakkam, Chennai 34. Call 044 28262627, 09791092461 for details.