This document provides a technical specification for construction works related to renovating and modernizing the electricity distribution system in urban areas of India. It outlines the scope of work to include supply, installation and commissioning of equipment for 33kV and 11kV substations, overhead lines, underground cables, distribution transformers and other components. It specifies requirements for material procurement, quality assurance processes, construction approaches, coordination responsibilities, installation standards and a completion timeline. The contractor will be responsible for carrying out all works on a turnkey basis according to the specifications laid out in the document.