- The Institute of Chartered Accountants of India: www.icai.org
- Ministry of Corporate Affairs: www.mca.gov.in
- Income-tax Department: www.incometaxindia.gov.in ; www.incometaxindiapr.gov.in
- Securities Exchange Board of India: www.sebi.gov.in
- Reserve Bank of India: www.rbi.org
- Ministry of Commerce: www.lawmin.nic.in
- Ministry of finance: www.finmin.nic.in
- Efiling of Income-tax Returns: www.incometaxindiaefiling.gov.in
- NSDL – Tax Information Network of Income Tax Department: www.tin.nsdl.com
- Knowledge portal – The Institute of Chartered Accountants of India: www.pdicai.org