entry points in day trade

Hi, It's one and half year I came to stock market as day trader. At the beginning I knew nothing, my broker's(IIFL) RM used give me tips and I traded, profited few times and LOST several times. Then I understood that I need some knowledge about this thing, It sounds simple but it's difficult...

Buying at Opening Price Dear All, I want to know if its possible to give my broker an instruction to purchase at opening price (whatever that might be) before the trading hours begin for the purpose of Day Trading Atul