Two firms belonging to the Adani group — India’s most valued conglomerate — are part of the Nifty 50 index. The group, however, has no representation in the Sensex. And it could stay this way if a proposed index qualification rule change gets approved.
Last week, Asia Index, a joint venture between S&P Dow Jones Indices and BSE responsible for index composition, floated a consultation paper where it proposed that a stock must have a derivative contract to be eligible for inclusion in the flagship 30-share Sensex index.
At present, at least 90 per cent of weightage of the Sensex

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