This document provides information about the 220 KV grid substation in Kunda Ki Dhani, Jaipur. It discusses that substations transform electrical energy from one voltage level to another through transformers and switching equipment. The 220KV Kunda Ki Dhani substation uses 33KV gas insulated switchgear inside the control room and PLCC for communication. It has incoming feeders from 220KV transmission lines and outgoing feeders to distribute power at 132KV and 33KV levels. The document describes components like lightning arrestors, insulators, transformers, circuit breakers, busbars, protective relays and control panels used in the substation.