The Reserve Bank of India (RBI) has announced major changes to how banks will have to value state government bonds, with far-reaching implications for the bond market and for state and central finances. Currently, state government bonds are accounted for on banks’ books using a straightforward yield-to-maturity approach; all state government debt, irrespective of which state has issued it, is marked up at 25 basis points above the yield of the equivalent Union government security, or G-Sec. This enforced uniformity will soon end, to be replaced with a valuation that is more closely tied to observed market prices. This is

