how to buy 5 MB at tk. 2 in banglalink? dial *222*1*7#.

Firstly, You have to Migrate Your Package To "Banglalink Play" Package.
This  can be done by One of the following two ways --

1.type p and send sms to 9999 (free).

2.dial *999*1*147# (free).
 
to subscriber dial *222*1*7#.
to unsubscribe *222*2*7#