MSCI Inc. published additions and deletions to its global indexes last month but the announcement didn’t detail changes to the weightings of individual stocks in its indexes. The changes took effect at close of trading on Tuesday and analysts said Adani Green’s weighting in the MSCI India Index was cut as it admitted new stocks.

from Times of India https://timesofindia.indiatimes.com/business/markets/sensex/what-is-the-msci-india-index-and-why-it-matters/articleshow/91937093.cms