new to this field...

hello.... to all existing member..
i'd read some post of this forum..as i'm interested to know about online trading..
for beginner 1st of all i have to open 3 in 1 account ..but opening 3 in 1 account in icici bank..and all others are expensive in high brokerage..that all i'd read in many post of this forum.. so i reach to conclusion that i should open
Dmat and trading account from brokerage firm which is cheaper when trade.....so plz tell me which brokerage firm will be suitable for Dmat and trading account..and also tell me which bank will be best for bank account..??...what will be the formalities..??
as i'm new to this field i do know nothing about this...so plz try to get what i want to say ..........plz help me..!!!

.....THANKS TO ALL..

im also new to this field , join me on facebook [email protected], then we share our problems each other.