It would be nice if you can post your statement of account so we can determine where it came from.
You can use this site to understand the elements of your bill Bill Tutorial | Billing | Postpaid | Help and Support
hi danly your link can only be seen by yourself.
Your outstanding balance on your bill would depend on the following factors:
1. bill cut-off
2. posting of your first payment
3. advance billing of MRF
4. excess usage (over and above your plan)