S. 69C : Unexplained expenditure-Purchases-Submitted addresses, GST No. PAN No., amount of purchases (Net of VAT), bill/voucher/challan issued by parties mentioned details of assessee, excise duty paid, details of truck/challan no., order no. etc.-Payment were made through cheques-Notice sent under section 133(6) through ITBA portal was not responded-Purchases cannot be treated as non-genuine merely because the parties have not responded to notice sent under section 133(6) Addition is deleted. [S. 133(6)]