S. 9(1)(i) : Income deemed to accrue or arise in India-Returns filed after filing of application would not make application infructuous-Returns filed after filing of application would not make application infructuous-Business connection-Sale complete outside India therefore no income accrued or deemed to accrue in India-Fixed place of business is held to be permanent establishment-Composite contract on turnkey basis for setting up butene-1 Plant-Services taxable in India-Design services inextricably connected with setting up of plant-Profits of permanent establishment to be taxed in India as business Income-DTAA-India-France. [S. 245RR, Art. 7(1), 13(4)]