What is the difference between tax audit and statutory audit?

Audit under any statute in a Country(State) is called statutory audit & Audit under any taxation law is called tax audit. For example books of accounts are audited under the Companies Act, 1956 (Statutory Audit) and Financial Statements of companies are prepared as per the provisions of this Act. Books are also audited under the Income Tax Act, 1961 and the income arrived at as per the provisions of this Act is taxed (Tax Audit).