The limited explanation on the Reserve Bank of India’s lowering of the real interest rate and the time to be taken for achieving the four percent Consumer Price Index(CPI)inflation target has markets guessing on the trigger and implications. The central bank got room to effect a 25-basis point(bp) rate cut due to a change in its stance on the neutral real rate and the time frame for achieving the inflation target. Global financial group Citi said the real interest rate band of 1.5 to two percent the previous RBI governor,Raghuram Rajan,had talked about had been lowered to 1.25 percent. The real interest rate is the difference between CPI-based inflation and yield on one-year treasury bills. With inflation at five percent and the repo rate now at 6.25 percent,there is no space to further cut the latter, unless inflation surprises further on the downside.But, the lowering of the real interest rate band is surprising.RBI did not elaborate on why,except to say it changes over time. ...