If you want to start your own business, you must have sound analytical capability with respect to choosing the business of your liking, its future profitability and the hurdles associated with this business. So, persuasion of any Engineering - degree would not block your path in undertaking any business.
However, there is a branch known as Industrial - engineering where there is detailed study relating different procedures employed in the industries such as Iron - foundry, Steel, Cement, Power, Oil and Copper industries. This branch of Engineering would offer you sufficient ideas regarding the time - management and deployment of man - power for carrying out the operation effectively. There is indepth study of man, machine and material and such extensive knowledge would make you fully competent in a technically related business.
The other way of taking up MBA in Human- resources or Finance would strengthen your business - acumenship.
However, at this stage, concentrate on your studies in the stream which you,have already selected. Make an effort to secure impressive marks in all the semesters so that you are sound in the Engineering - basics.
Later after completion of your course, make an introspection of different business and choose the one for which you have the intense - liking.