A day after meeting bankers on the issue of liquidity, Finance Minister PChidambaram today said availability of lendable money is not a cause of concern."Liquidity is not a concern, but it has to be maintained so that interest rates remain attractive to investors", he said.When asked if he would suggest a cash reserve ratio (CRR) cut to the Reserve Bank of India (RBI, Chidambaram said: "What RBI will do, RBI will do. I can't decide what RBI will do."Chidambaram had said yesterday in New Delhi that a sub-committee of five members of Indian Banks Association has been formed, and it would meet RBI Governor Y V Reddy next week to tackle the shortage of money in the system. (Click here for the complete report)