Review of existing reports, standards and specifications of road sector related to project, Review and updating of existing report and detail design report of the project, Detailed engineering survey, design of the alignments and their corridors, Conduct detail hydrological studies for cross drainage works and propose the suitable cross drainage structures, Carry out traffic studies and project the traffic volume for 20 years period, Conduct pavement investigation works for pavement design works, Chose economically feasible pavement type within the study corridor including design of road detail with pavement types, Identify source of construction materials of appropriate quality and determine the quality of materials permitted to be extracted from the different sources, Conduct environmental and social study and prepare the respective report, Where required on technical aspects, recommend for improvement of alignment, Prepare detail working drawing in Auto CAD, Prepare detail cost estimate with analysis of rates, contract packaging and tender document preparation, Prepare Detail Project Report (DPR) for complete road stretches including in the package