CBDT has vide Notification No. 35/2011 dated declared cost inflation Index for the financial year 2011-12. Cost inflation index for the financial year 2011-12 (Assessment year 2012-13) is 785. Full text of the Notification is as follows:-

COST INFLATION INDEX FOR FINANCIAL YEAR 2011-12

NOTIFICATION NO. 35/2011 [F. NO. 142/5/2011-TPL], DATED 23-6-2011

In exercise of the powers conferred by clause (v) of the Explanation to section 48 of the Income-tax Act, 1961 (43 of 1961), the Central Government hereby makes the following amendment in the notification of the Government of India in the Ministry of Finance (Department of Revenue), Central Board of Direct Taxes number S.O. 709(E), dated the 20th August, 1998, namely :—

In the said notification in the Table, after serial number 30 and the entries relating thereto, the following serial number and entries shall be inserted, namely :—