These indices are operated by Asia Index, an equal venture between S&P Dow Jones Indices LLC and the BSE.
As per the new methodology, Differential Voting Right Shares (DVRs) would be eligible for index inclusion provided that the ordinary share class is part of the index and DVR shares outstanding are greater than 10 per cent of the ordinary shares outstanding.
In addition, the DVRs must individually satisfy all other eligibility criteria.
The changes will be implemented from June onwards, it added.
Earlier, S&P Dow Jones Indices LLC had proposed a new methodology for these three indices over the treatment of multiple share classes for their inclusion in the indices and had sought sought comments from the members of the investment community regarding the proposal till May 17.
S&P Dow Jones Indices, a division of S&P Global, provides investable and benchmark indices to the financial markets.