This document defines and discusses various aspects of e-governance. E-governance refers to the use of technology like the internet and mobile devices by government to improve efficiency and services for citizens, businesses, employees, and other government agencies. It discusses the different types of e-governance like G2C (government to citizen), G2B (government to business), G2E (government to employee), and G2G (government to government). Challenges to e-governance implementation include lack of clarity, security threats, localization issues, and underutilization of infrastructure. Successful e-governance can provide many benefits to India's large population across its states and territories.