Consumer Redressal

[Against: Varalakshmi gas agency] We have changed home before 3yrs and changed to Varalakshmi agency..from the day one they are not providing cylinder without raising complaint.. multiple times we have warned and raised complaint..but no action was taken.. yesterday night sms came regarding cylinder delivered and payment done..but we haven't received cylinder yet..called to multiple numbers no one is reciving calls...kindly do the needful