Mumbai, Mar 06: National Bank for Agriculture and Rural Development (NABARD) is coming out with tax free bonds (TFBs) and tax free priority sector bond (TFPSBs) issues of Rs 200 crore with a right to retain over subscription on private placement through book building route. The five year TFB has an interest rate band of 4.9-5.25 per cent while it would be 4.9-5.1 per cent for TFPSBs, NABARD said in a release here today. The issue, which opened yesterday, closes on March 11, it added. Bureau Report