Gp 300 Gp-Gp minutes @99tk.Grameenphone brings a minutes pack for those customers who wanted to connected with friends & family.Under this campaign customers can enjoy 300 Gp-Gp minutes @99tk.Read more details from  below. 300 GP-GP Minute at Tk 99 Offer: – To activate the offer (All Prepaid except I-Sim, Flexi