i booked my gas vide no 17938 on 23/8/11.for which i was told delivery on sunday ie 28/8/11. but i kept on waiting,nothing came, then on monday i called up agency and i was told sure delivery on next sunday ie 4/9/11.but sorry to say again i was dodged by the agency. if i want a cylinder in black 4m the men of the company then it is delivered in 20 minutes. shame on this agency,now i m going to file a complaint in consumer form and in indian oil for cancellation of this so called chahal gas service mohali.gurpreet singh.