According to RBI's circular issued a month ago in September, the loans can either be linked with the repo rate, three or six-month treasury bill yield or any other benchmark market interest rate published by the Financial Benchmarks India (FBIL). RBI had decided in favour of external benchmark linked lending rates over the existing marginal cost of funds-based lending rate System because according to the regulator, the transmission of policy rate changes to the lending rate of banks under the MCLR framework wasn't satisfactory.