S. 69C : Unexplained expenditure -Bogus Purchases – Only profit element to be taxed- Addition restricted to 12.5% of alleged bogus purchases- Bombay High Court ruling in PCIT v . Kanak Impex(India ) Ltd [2025] 474 ITR 175 / 172 taxmann.com 283 (Bom)( HC) is distinguished . [ S. 133(6), 147 , 148 ]