S. 13 : Denial of exemption-Trust or institution-Investment restrictions- Tribunal right in holding that disqualification would apply only to that part of income which was in violation of conditions-No substantial question of law- Circular No. 387 Dated 6-7-1984 (1985) 152 ITR 1 (St)- Search and seizure- Documents found in the course of search- Question of law admitted. [S. 13(1)(c), 260A].