No reassessment to deny benefit of MAP to US based Co. if earlier it was given by AO after detailed

IT/ILT : Where Assessing Officer formed opinion that taxation of advertisement and distribution revenue of US company was to be governed by MAP resolution and 10 per cent of total revenue generated would be treated or business income and he completed assessment after verifying detailed reply to huge questionnaire and all supporting documents, reopening of assessment on basis of same material, taking plea of taxing total revenue at 10 per cent as per section 115A, would not be permissible