tps

Best online trding platform

Hey I am TPS and house wife would like to enter share market.
I am interested in on line trading of shares.
But I am bit confused to select good broker.
Ventura, Indiabulls or sherkhan ?.
I heard that ventura is cheap.
but I don't know their performance.
Will they give home service.
I am and not interested to go their office.
How fast and reliable their software.
can anybody ready to help me to resolve my doubts.