I am planning to start a buisness in IT field how can i do that .Plz guide me?

Answer 1

You need to write a business plan and stick to it. A business plan is a blueprint of your business venture's success. See the following link on how to write a business plan.
http://entrepreneur.com/businessplan/index.html
http://entrepreneur.com/startingabusiness/businessplans/businessplancoachtimberry/article169842.html

You may need to hire a business consultant to help you. All the best!