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Banks are hereby permitted to use the ratings of the CRA for risk weighting their claims for capital adequacy purposes, subject to the following:
Provided that in case of existing ratings assigned to working capital facilities exceeding Rs.250 crore, the CRA shall undertake rating surveillance only till the next renewal of such facility by the banks.
Link – https://www.rbi.org.in/Scripts/NotificationUser.aspx?Id=12700&Mode=0