(1)A person shall not be qualified for appointment as auditor of a company unless he is a chartered accountant within the meaning of the Chartered Accountants Act, 1949 (38 of 1949):Provided that a firm whereof all the partners practising in India are qualified for appointment as aforesaid may be appointed by its firm name to be auditor of a company, in which case any partner so practising may act in the name of the firm.