Mahanagar Gas — my gas pipe line connection not done.

i m very fadup about your connection services done in miraroad. i paid money for the connection in the month of feb10 2015. till now i dont get any connection of pipe line.i went to the mira road customer exicutive, he told me that ur connection will be within 7 days.today my 7 days completed and nothing has been done.when i m calling in customer care, noone reposding.my bpno.is[protected].my reqno.2324567.what i have to do.tell me u only on email id kusum.[protected]@gmail.com/[protected]/28101760. i dont know how to attach a proof.