The Ministry of Corporate Affairs has reviewed the existing procedures followed by the Companies for seeking prior approval of the Central Government for appointment of cost auditor under Section 233 B (2) of the Companies Act, 1956 and on that basis revised the said procedure to be followed by the Companies. The modified procedure shall be effective from the financial year commencing on or after 1st April, 2011. The details are available in circular No. 15/2011 dated 11th April, 2011.