How to add your account number? For Domestic User Account No: A12/345/6789012 as mentioned in the bill should be entered as 3456789012. For Commerical Users Account No should be as Z41000I0082 or X205I150125. What does eSampark Chandigarh offers? A fresh and user-friendly app for customers. Make payments for your Electricity bills. Make payments for your Water bills.