S. 9(1)(vi) : Income deemed to accrue or arise in India-Royalty-Fees for technical services-Marketing services-fees for included services-Agreement with hotels and received centralized service fees for providing advertisement, publicity and sales promotion-Use of trademark, trade name or other enumerated service referred to in agreement were incidental to said main service, centralized service fees received by assessee would not be in nature of royalty or FTS-DTAA-India-USA. [S. 9(1)(vii), 90, Art. 7, 12]