Cylinder booking&delivery. sir, my consumer no 4780 vijayalaxmi nagar, chinna kodungaiyur, chennai 600051. chennai north. for the past one year this problem continues. after booking cylinder (after 15 days) again we have to call&also cylinder is not delivering. because of this we are cooking by wood&making our family mental torture since both of us going to office. kindly consider this matter as serious and make the problem solved permenantlt. thank you.