Investor base: participation by different investors in the government bond market has grown more diversified. Of the various actors in this market, banks tend to invest in relatively shorter term bonds to match their short-term liability. Pension funds and insurance companies prefer hedging long-term inflation risks by investing more in inflation linked bonds. Non-residents concentrate their direct exposure to fixed rate instruments, but with maturity less than 3 years. Mutual funds, which tend to be more sensitive to high frequency changes in financial market conditions, have demonstrated a greater preference for floating