Grameenphone 1.5 GB of internet only 29Tk. Gp Internet Offer 2019. Now, Grameenphone gets a great internet pack at 29 taka. This offer is available for Grameenphone subscribers. Dial * 121 * 5040 # to avail the 1.5 GB offer at GP 29Tk. Internet validity is 7 days. This offer can be used at any time within 24 hours. Grameenphone can take 2019 internet pack once. Stay in the Grameenphone Bangladesh's number one network.