S. 9(1)(i) : Income deemed to accrue or arise in India-Business connection-Permanent Establishment-Portion of income reasonably attributable to operations in India-Question of fact-Tribunal attributing 15 Per Cent. of total revenues as income accruing or arising in India on basis of functions performed, assets used and risks-Commission paid to distribution agents more than twice this amount and taxed-No further income taxable in India-DTAA-India-USA. [S. 9(1)(i ),n Explanation 1(a), Art. 7]