S. 9(1)(vi) : Income deemed to accrue or arise in India-Royalty-Income of supply of CAS and middleware products by the Switzerland company to Indian customers-Does not fall within the ambit of ‘royalty’ as defined in section 9(1)(vi) as well as DTAA-Not liable to deduct tax at source-DTAA-India-Switzerland [S.195, 260A, Art. 12(3) [