Bangladeshi users will now be granted to use a maximum of 15 SIM cards with his/her national identity (NID) card. BTRC will shut down the numbers randomly after 31 December, if anyone found using more than 15 SIM cards with one NID. So customers have to deactivate the extra sim registered by their NID. Dial *16001# and then write last four digits of the ID number in … [Read more...] about Check How Many Sim Biometric Registered By Your NID Number