S. 9(1)(i) : Income deemed to accrue or arise in India-Business connection-Capital gains-Shares-Not liable to be assessed as capital gains-Explanations 6 and 7 to section 9(1)(i) has to be treated retrospectively as it have to be read along with Explanation 5 which operates from 1-4-1962-OECD Model Convention, Art. 13 [S. 260A]