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Environment Impact Assessment Notification of 2006 has decentralised the environmental clearance projects by categorizing the developmental projects in two categories, i.e., Category A and Category B.
‘Category A’ projects are appraised at national level by Impact Assessment Agency (IAA) and the Expert Appraisal Committee (EAC) and Category B projects are apprised at state level.
State Level Environment Impact Assessment Authority (SEIAA) and State Level Expert Appraisal Committee (SEAC) are constituted to provide clearance to Category B process.
After 2006 Amendment the EIA cycle comprises of four stages
1. Screening
2. Scoping
3. Public hearing
4. Appraisal
Category A projects require mandatory environmental clearance and thus we do not undergo the screening process.
Category B projects undergoes screening process and they are classified into two types.
1. Category B1 projects (Mandatory requires EIA).
2. Category B2 projects (Do not require EIA).
Thus Category A projects and Category B1 projects undergo the complete EIA process whereas Category B2 projects are excluded from complete EIA process.