Niranjan Chandra Debnath, DMD of Sonali Bank Limited, Dr. Dewan Muhammad Humayun Kabir, Project Director of Aspire to innovate and Md. Samawat Ullah, Managing Director of Olivine Limited, exchange document after signing a tri partisan deal to collect the citizens fees and charges under Online Councilor Certificate System through the Sonali Payment Gateway at the bank’s head office in the capital on Sunday. Other senior officials from respective sides were present.