“17.1. Thus, from the above, it is seen that Tribunal had returned a finding of fact that the assessee had filed copies of purchase bills, copies of purchase/ sale invoices, challan cum tax invoices in respect of the purchases, extracts of stock ledger showing entry/exit of the materials purchased, copies of bank statements to show that payment for such purchases were made through regular banking channels, etc., to establish the genuineness of the purchases. Thereafter, Tribunal held that Assessing Officer could not bring on record any material evidence to show that the purchases were bogus. Mere reliance by the Assessing Officer on information obtained from the Sales Tax Department or the statements of two persons made before the Sales Tax Department would not be sufficient to treat the purchases as bogus and thereafter to make addition under Section 69C of the Act. Tribunal has also held that if the Assessing Officer had doubted the genuineness of the purchases, it was incumbent