Supply & Installation Of Brand New Air-Cooler & Related Electrical Works At Sonali Bank Plc., (A) 16.5 Ton Capacity Split Type Air-Cooler (Inverter Type) For Sir Iqbal Road Branch, Khulna.. (B) 10.5 Ton Capacity Split Type Air-Cooler (Inverter Type) For Batiaghata Branch, Khulna.