The Reserve Bank of India (RBI) has hiked the Cash Reserve Ratio (CRR) by 75 basis points to 5.75 per cent and kept the repo rate and reverse repo rate unchanged.In the Third Quarter Review of Monetary Policy 2009-10 today in Mumbai, the central bank decided to hike CRR by 75 basis points in two trenches to suck out liquidity.However, the RBI left the repo rate, which is the rate which it lends short-term funds to banks, unchanged at 4.75 per cent. RBI also decided to keep the reverse repo rate, the rate through which it absorbs liquidity from the banking system, unchanged at 3.25 per cent.The RBI also said that Economy is to grow by 7.5 per cent this fiscal where as it has raised the inflation projection to 8.5 per cent by this fiscal end.