What are the eligibility of Indian business visa?

Eligibility for Indian e-business visa:
Foreign nationals visiting India to establish an industrial venture or to explore possibilities to set up an industrial venture in India.
Foreign nationals coming to India to purchase or sell any consumer products.
Foreign nationals who are partners in the business and as a director in the company.
In Indian e-business visa in which foreign nationals coming to India for pre-sales activity and for the actual execution of any contract or project.