S. 9(1)(i) : Income deemed to accrue or arise in India-Business connection-Information, reservations, transaction processing and related services to airlines, travel agencies and other travel related entities by utilizing a CRS-Major part of business activities took place in USA-Tribunal is justified in holding that 15 per cent of assessee’s profit was to be attributed to India-DTAA-India-USA. [Art. 5(4)(a)]