Bangladesh Post Office on Tuesday released a special commemorative postage stamp, an opening day cover and a Data Card marking the 50th birth anniversary of Sajeeb Wazed Joy, grandson of Father of the Nation Bangabandhu and Prime Minister Sheikh Hasina’s ICT affairs adviser. The prime minister unveiled the Tk 10-commemorative postage stamp, a Tk 10-opening day cover and a Tk five-Data Card at a simple ceremony at Ganobhaban. Also read: PM releases commemorative stamp marking Golden Jubilee