S. 80ID : Hotels and convention centers in specified area-Revenue Sharing Agreement-Business to be run by parties in Co-ordinate manner and receive respective shares of income-Agreement having clauses of inclusion and exclusion of some of the revenues contractually agreed between parties for sharing of income-Cannot be interpreted as letting of property-Assessee Submitting certifying that it had satisfied all conditions for claiming deduction under Section 80ID-No adverse comment in this regard made by Assessing Officer-Revenue accepting claim of assessee in earlier years-Finding of Commissioner (Appeals) that income shown assessable as income from business and an allowable deduction. [Form 10CCBBA]