Dear aspirant , 

Yes , the information technology field have a business category. You will be developing softwares and selling to the clients at an adequate price . For example , you may know about the antivirus , the antivirus company sells their antivirus  software in CD'S at a price like Rs.2000 to Rs.5000 .So , you can do business in this field . Another example is like, in game development ,you may have known many game DVD'S for Xbox, Play station , PC . The game development company for example EA , develops a game , and sell their game in DVD'S to different platforms to different customers , by this they earn money through it .   

You can also write codes and sell to the big  companies  like a freelancing , you will be earning by selling the codes which is also a great business opportunity.

So information technology is a good field to earn money. Hope it will help you .