A K M Kamal Uddin, Head of Corporate Banking of NRB Bank Limited and Mahmudur Rab, General Manager of Titas Gas Transmission & Distribution Company Limited (TGTDCL), exchanging an agreement signing documents at TGTDCL head office in the city on Sunday. Under the deal, the Bank will collect Gas Bill of the company from customers through online. Senior officials from both the organizations were also present.