GP internet validity adding by Flexi-PlanHere is the wonderful way to add 30 days validity of your monthly internet plan for only 3.84 Tk, if you handsome amount of data or MB but no validity.
To do this, first go to Grameenphone Flexi-Plan
Select the package according to the photo, that means > 0 min+ Internet 4MB+ validity 30 days+ 0 sms and click BUY NOW.
hit AGREE & CONTINUE
You are done & GP will show you a success screen as shown below