In a democratic nation like India, the employer, represented by the President or Governor, plays a crucial role. The President signifies the nation, while the Governor represents the state. The employer appoints both the Authority and the Architect & Engineer. The Authority establishes or selects organizations, while the competent Architect & Engineer manages projects to high standards based on Actual Cost. The employer holds authority over appointing both entities, overseeing utility services, fund management, and coordination with government departments. This guide goes beyond updating Tendering Procedures, encompassing new engineering project procurement approaches and emphasizing preliminary studies' importance. It offers comprehensive, internationally acceptable procedures, promoting clear, competitive tenders and encouraging users to refer to other relevant ELF publications on sustainable development, risk management, and professional contracts for further guidance.