S. 69C : Unexplained expenditure-Cash payments reflected in seized documents duly reconciled with books of account-Addition rightly deleted-Recovery from farmers towards unloading charges-Common trade practice-No evidence of receipt by assessee-Addition deleted-Cash receipts and sale of de-oiled cakes-Entries reflected in books-No rebuttal by Assessing Officer-Addition deleted-Additional income voluntarily surrendered-Telescoping against additions-Separate addition not justified-Excess stock-Difference only in valuation and not quantity-Books not rejected-Addition deleted. [S.68, 132, 145(3)]