S. 251 : Appeal-Commissioner (Appeals)-Powers-co-terminus powers with that of the AO-Revaluation of asset-Assessing the income under different head-Cash credits-Capital gains-Powers exercised by the CIT(A) cannot be said to be beyond the scope of provisions of s. 251(1)-What was considered by the CIT(A) is the very same income which arose out of the revaluation of the asset held by the firm. [S. 45(4), 68]