This document outlines the process for obtaining environmental clearance for new projects and activities in India. It establishes State Level Environment Impact Assessment Authorities (SEIAAs) that will be responsible for granting environmental clearance to Category B projects and activities. Category A projects and activities will require clearance from the central government. SEIAAs will comprise of 3 members nominated by the state government, including a chairman, and will base their decisions on recommendations from State Expert Appraisal Committees. The notification also defines the requirements for obtaining prior environmental clearance and categorizes projects into Category A and Category B.