This document describes the design of a 7.5 MLD sewage treatment plant using sequential batch reactor technology in Dhanas, India. Key aspects of the design include: - Testing of sewage samples to determine treatment requirements. - Design of treatment units including screens, grit removal, SBR basins, sludge handling, and chlorination. - The plant is designed to treat sewage from the existing population of 7,094 people and future estimated population of 50,000 to meet effluent standards for irrigation and drainage.