S. 54F : Capital gains-Investment in a residential house-Non-resident India-Sale of residential flat-Invested sale proceeds from same, in a residential house in USA within specified period-Entitle to exemption-Amendment in section 54F by Finance (no.2) Act of 2014 imposing condition that assessee should invest sale proceeds arising out of a sale of capital asset in a residential property situated ‘in India’ within stipulated period is prospective in nature-Rejection of revision application is not valid-Entitle to exemption..Interpretation – Legistaive intend – Amending the provision- Retrospectivity – Not unless expressly stated and clearly implied .[S. 5(2), 139(5), 143(1), 254, 264, Art. 226]