S. 263 : Commissioner – Revision of orders prejudicial to revenue -Bogus purchases- Hotel business- information from sales tax authorities -Hawala Traders – Assessee offering 15% of gross profit in the course of assessment proceedings with a view to buy peace and unending litigation which was accepted by the Assessing Officer without making any inquiry – Commissioner revising the order on the ground that on there was no discussion in the order of Assessing Officer and the Assessing Officer limiting addition under S.69C only on basis of GP ratio is held to be not justified -Tribunal affirming the revision order -High Court affirmed the order of the Tribunal . [ S.69C ]