Hp Gas — Name not changed after charging money

Dear Sir/Madame
I am 78 years old and I want to change my LPG connection in the name of my Daughter in law due to my old age. I visited Priya agencies on 05and 06 nov 2012 and I am contacting them daily .I have spent money for name change in respect of affidavit and paid Rs. 185/- in cash for name change but I am receiving no response . Now its about a week I am running around at old age of 78 yrs for name change.Please help me.