The assessee herein being a Cooperative Bank also governed by the Reserve Bank of India and thus the directions with regard to the prudential norms issued by the Reserve Bank of India are equally applicable to the Cooperative banks. The provisions of Section 45Q of Reserve Bank of India Act has an overriding effect vis-à-vis income recognition principle under the Companies Act. Hence, Section 45Q of the RBI Act shall have overriding effect over the income recognition principle followed by cooperative banks. Hence, the Assessing Officer has to follow the Reserve Bank of India directions 1998. In UCO Bank the Supreme Court considered the nature of CBDT circular and held that the Board has power, inter alia, to tone down the rigour of the law and ensure a fair enforcement of its provisions, by issuing circular in exercise of its statutory powers under section 119 of act which are binding on the authorities in the administration of the Act, it is a beneficial power given to the Board for proper administration of fiscal law so that undue hardship may not be caused to the assessee and the fiscal laws may be correctly applied