Indane — long delay in gas delivery

hi my name is narasimha murthy i had booked gas on 7/2/2015...but till today gas has not been delivered even cash memo not generated .. i m facing this issue from last 3 months and agency name is j n Enterprise..they don't know how to behave with customer. if i contact to them they will inform no stock what can i do ask the GOVT and will disconnect the call how irresponsible people they are. my last booking number is 571328. and consumer number is 17686. narasimha [protected]