| Item | 2017 | 2018 | | Jan. 31 | Dec. 15 | Dec. 31 | Jan. 15 | Jan. 31 | | 1 | 2 | 3 | 4 | 5 | | 1 Amount Outstanding (₹ Billion) | 3,813.7 | 4,815.3 | 4,090.5 | 4,696.5 | 4,575.0 | | 1.1 Reported during the fortnight (₹ Billion) | 504.6 | 961.9 | 916.0 | 913.2 | 1,320.2 | | 2 Rate of Interest (per cent) | 6.19-14.21 | 5.98-11.19 | 6.22-10.76 | 5.48-9.65 | 6.27-11.88 | |