can enter in brazil by border?

by desra
(india)

Hello. I'm Desraj Saini.I just came from Brazil to during my bad health. I had business visa. This will be not allow to me enter in Brazil. I wanna be open an Indian restaurant in South America. Now I'm planning to in Bolivia. So I want to know how can I get bolivian tourist visa? And can I enter in brazil if necessary? thanku,