Sri Lankan Telecom is one of the largest Internet service provider in Sri lanka.
Checking your Internet data usage is recommended for the verification of how much data is used. If you using Internet without limitation , then your Internet package will be finished before the end of the month . Specially seeing video on video hosting sites like YouTube, vimeo, etc . And downloading larger size files will be eat your data rapid faster.
Here is the link for the slt usage meter.
Once visit above link, you will be gone to the slt Internet usage meter. It will ask you to in put the log in name or user id, service category and enter password.
Now you should fill your own detail in the proper boxes. That details will be given by slt , now it's time to click submit button it will take you to slt Internet usage meter static. Here you can see the statics daily, weekly, or monthly views.