S. 195 : Deduction at source-Non-resident-Consultant-Commission on student recruitment-terminology ‘consultants’ not conclusive-Marketing of educational courses-Agents having no permanent establishment-Medical education programs-Payment outside India to persons for evaluation of PH. D. Thesis-Evaluation not a rendering of technical services-Faculty development-Not liable to deduct tax at source-DTAA-India-Singapore. [S. 5(2), 9(1)(vii), 201,201(IA), Art. 7, 12(5)]