Government Departments:

The Ministry of Corporate Affairs
The Ministry of Finance
The Ministry of Law & Justice
The Ministry of Commerce
The Securities Exchange Board of India
The Reserve Bank of India
Insurance Regulatory & Development Authority
Association of Mutual Funds of India
Income Tax Department
Central Excise, Customs and Service Tax
The Andhra Pradesh Commercial Taxes Department
Employee Provident Fund
Employee State Insurance

Stock Exchanges, Depository Participants:

The Bombay Stock Exchange India Limited
The National Stock Exchange Limited
New York Stock Exchange
London Stock Exchange
Singapore Stock Exchange
The National Securities Depository Limited
The Central Depository Services India Limited

The Leading Banks:

SBI
CANARA Bank
ICICI Bank
HDFC Bank
Axis Bank
The World Bank

Professional Institutes:
The Institute of Company Secretaries of India
The Institute of Chartered Accountants of India
The Institute of Costs and Works Accountants of India