Sui Northern Gas Pipelines Limited offers to all his customers that they can get the copy of duplicate bill against his her consumer No. it is very easy process to get duplicate bill of SNGPL.
1-Go to the SNGPL website here
2-Click on the link shown Consumer Bill
3-Put your consumer no in the box shown in above picture.you can get this consumer no from any old or previous month bill.
4-Click on Submit boutton.
5-your bill will be shown in next windows
6- print it and its done.