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Terms of Reference (ToR) in EIA: Scope, Process and Regulatory Framework

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Common mistakes that delay environmental clearance applications in India on PARIVESH portal
Team Simplicomp
May 12, 2026

Introduction

Terms of Reference (ToR) is a critical stage in the Environmental Clearance process defined under the EIA Notification 2006 issued by the Ministry of Environment, Forest and Climate Change.

It defines what needs to be studied, assessed, and reported in the Environmental Impact Assessment (EIA) study for a project.

What is Terms of Reference (ToR)?

Definition

  • Environmental data collection
  • Impact assessment
  • Mitigation planning

Purpose of ToR in Environmental Clearance

  • All relevant environmental aspects are studied
  • The EIA report is comprehensive and standardized
  • Project-specific impacts are properly assessed
  • Regulatory expectations are clearly defined

Where ToR Fits in the EC Process

ToR is issued during the Scoping Stage of the Environmental Clearance process.

Process Flow:

  • Screening
  • Scoping (ToR issuance)
  • Public Consultation
  • Appraisal

Who Issues ToR?

Category A Projects

Issued by Expert Appraisal Committee (EAC) under MoEFCC.

Category B Projects

Issued by State Expert Appraisal Committee (SEAC).

How ToR is Obtained

Step 1: Application Submission

  • Form 1
  • Pre-feasibility report

Step 2: Review by Committee

  • Project details
  • Potential environmental impacts

Step 3: ToR Issuance

  • Scope of study
  • Parameters to be assessed
  • Data requirements

Key Components of ToR

A typical ToR includes:

Project Description

Baseline Environmental Data Requirements

  • Air quality
  • Water quality
  • Soil conditions
  • Biodiversity

Impact Assessment Requirements

  • Identification of environmental impacts
  • Quantification of risks

Mitigation Measures

Steps to minimize environmental damage.

Environmental Management Plan (EMP)

Implementation and monitoring strategy.

Importance of ToR for Project Developers

A well-defined ToR helps:

  • Avoid incomplete EIA reports
  • Reduce regulatory queries
  • Speed up approval process
  • Ensure compliance from the beginning

Common Issues Related to ToR

  • Incomplete application details
  • Generic or copied data
  • Failure to address all ToR conditions
  • Delay in conducting studies

Digital Environmental Clearance System

Features:

  • Online submission
  • ToR tracking
  • Communication with authorities
  • Transparent workflow

Related Environmental Library Pages

Need Help with Environmental Clearance?

  • ToR preparation and compliance
  • Environmental Clearance applications
  • EIA studies and documentation
  • Regulatory coordination with authorities

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Questions

Frequently Asked Questions (FAQs)

What is EIA Notification 2006?
It is a regulatory framework requiring environmental clearance for certain projects in India.
Who issues Environmental Clearance?
MoEFCC (Category A) and SEIAA (Category B).
Is EIA mandatory for all projects?
No, only listed projects require clearance.
How long does EC approval take?
Typically 3–6 months depending on project and documentation.
What happens without EC?
Legal penalties, closure, or regulatory action.
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