Dwarka Indane Service — non delivery of gas

I am consumer of Indane Gas with consumer no.14559 and have been registered with dwarka indane service, Rajapuri dwarka. I booked a gas on[protected] bia booking no 381878 but not delivered till today. I complainef on customer care no complaint no 1924402 on[protected] and they assured me to get cylinder within 48 hrs.but yet gas no delivered.