Nifty rebalancing in April 2018: Probable Inclusions & Exclusions The Nifty 50 broad based indices are reviewed twice every year based on six month data ending January 31 and July 31. Eligibility criteria for newly listed security are checked based on the data for a three month period instead of a six month period. At the time of index reconstitution, a company which has undergone a scheme of arrangement for corporate event such as spin-off, capital restructuring etc., would considered eligible for inclusion in the index if as on the cut-off date for sourcing data of preceding six months for index reconstitution, a company has completed three calendar...