yes , first u need to register with a broker who gives u the option of online trading using a software .. i am with 5 paisa infoline and using their tt advanced software currently which allows me to trade in stocks in both the nse / bse .. of course all information is realtime . do good research before u decide on your broker , what suits your needs best .. i think religare , sharekhan , indiabulls , reliance money .. all provide some sort of trading platform