S. 245R : Advance rulings–Non -Resident–Capital gains –Shell company – CBDT circulars and press release of Ministry of Finance -Certificate of residence issued by Mauritius Authorities would constitute sufficient evidence – Denial of benefit of Double Taxation avoidance agreement – Matter remanded to Authority for Advance Rulings for reconsideration-DTAA-India–Mauritius. [S. 45, 197(1), 245Q, Art. 13, Art. 226]