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Knowledge base

Plain-language guides to Carbon Registry India: how the programme works, how to register projects and methodologies, how VVBs are empanelled, and what each document says.

Last reviewed 23 October 2026

This knowledge base explains Carbon Registry India (CR-I) in plain language. It covers how the programme works, how to register a project or a methodology, how Validation and Verification Bodies (VVBs) are empanelled, and what each CR-I document requires.

Every article ends with the documents and sections it is based on, so you can check the source. Where an article and an official document differ, the official document applies.

Use the search box above, or browse the topics on the left. Ready to start? Create a Registry account.

Frequently asked questions

Short answers to the 30 questions people ask most about Carbon Registry India, from MCUs and accounts to projects, VVBs and methodologies.

Getting started8 articles

What CR-I is, who runs it, who takes part, and the basic concepts behind the programme.

Registry account9 articles

Opening and running a CR-I Registry account: sign-up, KYC, fees, invoices, refunds and the account rules.

Projects29 articles

Everything a project proponent needs: eligibility, project design, the project cycle from listing to issuance, and special cases.

Credits (MCUs)5 articles

Issuing, transferring, retiring and cancelling MCUs, and how the CR-I Buffer Pool covers the risk of reversals.

Methodologies6 articles

Which methodologies projects can use, and how new methodologies, pre-approved methodologies and revisions are approved.

VVBs7 articles

Validation and Verification Bodies: eligibility, empanelment, how audits work and how VVB performance is reviewed.

Documents15 articles

Plain-language summaries of every CR-I standard, procedure, tool and guideline, with links to the official documents.

Help2 articles

Complaints and appeals, and how to contact the Registry.

The 17 UN Sustainable Development Goals, with SDG 13 Climate Action highlighted. Every CR-I project contributes to at least four SDGs, including SDG 13.