This document summarizes key Indian electricity regulations, standards and supply rules over time. It discusses the Electricity Act of 1910 which established the basic framework for the electric supply industry. It then covers the Electricity (Supply) Act of 1948 which mandated the creation of State Electricity Boards. The Electricity Regulatory Commission Act of 1998 allowed for setting up commissions to determine tariffs independently of governments. Subsequent acts addressed energy efficiency, liberalized the electricity market, established regulatory bodies, and outlined requirements for generation, transmission and distribution of electricity. The document provides an overview of the regulatory evolution of the Indian electricity sector.