In the last two occassion I booked for refil of domestic Gas cylinder tyhrough help line of HP gas but unfortunately no dedivery could materealised.I had to go in person after waiting for sufficient time and had to re-book for refil.Tis time lapse has put me under great starain as naturally I got my supply after lapse of about anothe 15 days.My customer no is 600674 at Kolkata with Gas supplying agent "UPAHAR"