S. 69C : Unexplained expenditure -Bogus Purchases – Estimation of profit element – When purchases were supported by bills, bank payments and sales not disputed, 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 and held not applicable. [ S. 147 , 148 ]