PREPAID VALIDITY:
If you recharge BDT 10-BDT 150, your validity will be extended for 30 days (Both incoming and outgoing).
If you recharge BDT 151-BDT 299, your validity will be extended for 45 days (Both incoming and outgoing)
If you recharge ,BDT 300-BDT 1000, your validity will be extended for 365 days (Both incoming and outgoing)