The rates vary from one broker to another. However, the upper limits have been specified by NSE (for WDM segment). These are the maximum brokerage rates for NSE trading online services.
Govt. Of India Securities and T-Bills – Between 5ps and 25 ps (per Rs. 100) basis the order value
State Govt. Securities & Institutional Bonds – Between 5ps and 50 ps (per Rs. 100) basis the order value
PSU & Floating Rate Bonds – Between 10ps and 50 ps (per Rs. 100) basis the order value
CP and Debentures 1% of the order value