For the first month and till the time of monthly review a newly listed security is categorized in that Group where the market capitalization of the newly listed security exceeds or equals the market capitalization of 80% of the securities in that particular group.
Subsequently, after one month, whenever the next monthly review is carried out, the actual trading frequency and impact cost of the security is computed, to determine the liquidity categorization of the security.
In case any corporate action results in a change in ISIN, then the securities bearing the new ISIN shall be treated as newly listed security for group categorization.