FileMyReturns
A citizen friendly site offering door-step service for filing income tax returns and PAN.
Indiataxes.com
Information about taxation. Includes software, form downloads, covers income tax, TDS, sales tax, service tax.
The Bombay Chartered Accountants' Society (BC
Carries out research in the field of accountancy, taxation and other allied subjects, educates the public about commercial and business matters.
The Chamber of Income Tax Consultants
Details of, and resources for, a professional body for tax consultants.