airtel Internet Bumber Bonus! 398Tk Recharge 2.5GB+1.5GB Bonus | 517Tk Recharge 3GB+2GB Bonus

airtel Internet Bumber Bonus!
2.5GB 28Days +1.5GB Bonus 7 Days
Recharge 398Tk or Dial *121*5020#

3GB 28Days +2GB Bonus 7 Days
Recharge 517Tk or Dial *121*5025#

Pack Volume Check *778*39# or *778*4#

Bonus Volume Check *778*40#