The wholesale debt market (WDM) segment is formal trading platform for trading a wide range of debt securities. This platform is a fully automated screen based system, which enables members across the country to trade simultaneously with ease and efficiency. The trades in WDM segment are settled directly between the participants. Initially, government securities, treasury bills and state-owned companies bonds were available on this platform, but later, floating rate bonds, zero coupon bonds, index bonds, commercial papers, certificates of deposit, corporate debentures, state government loans, SLR and non-SLR bonds were also added.