S. 49 : Capital gains – Previous owner – Cost of acquisition – Indexation – Inheritance – Indexed cost of acquisition has to be computed with reference to year in which previous owner first held asset and not year in which assessee became owner of asset- Property outside India – Entitled to exemption under section 54 where investment in purchase of flat outside India was prior to 1-4-2015 entitled to exemption under section 54 where investment in purchase of flat outside India was prior to 1-4-2015 [ S. 2(42A, )45, 48(iii) ,49(1)(iii)(a), 54, 54F ]