Sabarmati Gas Ltd. , Gandhinagar — Non providing of Gas Connection at my residence

I have booked PNG of Sabarmati Gas Ltd., Gandhinagar for my residence at B/13, Rajshree Apartments, Ambicanagar, Kalol vide receipt No. 30278 Dt. 3.11.2009 but till time they are not providing the gas connection. On asking the local person and after many discussion they have provided the gas pipeline in my house but till date they are not starting the services.
I have sent a written communication to their Gandhinagar office but the post has came back stating that the address has been changed.
Looking forward for the prompt and positive response from Sabarmati Gas Ltd., Gandhinagar.