S. 115BAA : Tax on income of certain domestic companies-Exercise of option-Revised return-Non-filing of Form 10-IC-CBDT Circular condoning delay does not relax requirement of exercising option in return filed under S. 139(1)-Assessee having expressly stated “none of above” not eligible-Writ dismissed [S. 115BA, 115BAB, 139(1), Art. 226, Form 10-IC]