Kribhco in its efforts to improve the quality of Urea supplied to farmers, installed Plate type Bulk Urea Cooler to cool the Urea Prills after Prilling. The process involved right from pilot test run for cooling urea prills in humid conditions at site (as it was done for the first time in India), its installation in existing building and successful commissioning. Commissioning and the installation of plate type bulk solid urea prill cooler and its operation is a low cost system for efficiently cooling urea prills outside the prilling system for the intended benefits.