FIIMDA, PDAI GSec Yield Curve is published by FIMMDA after market hours on every working day. FIMMDA uses the Yield Curve to arrive at the day-end as well as month-end valuation prices for the outstanding central government securities. The month-end valuation prices are used by banks for valuation of central government securities held in HFT and AFS portfolio. The Yield Curve is also used along with applicable spread for valuation of State Govt. Securitas and Corporate Bond