You can definitely do interior design after a bachelor's degree in business administration (BBA). While there are a number of specialized design programs available, most interior designers have a degree in architecture or design. With a solid foundation in business and design, you'll be well-equipped to start your own interior design business. Here are a few things to keep in mind when starting your own business as an interior designer: 1. Research the market - Before you start designing any rooms or projects, it's important to have an understanding of the market and what's popular. This information can be found by doing research on popular magazines, and websites, or by talking to other designers. 2. Plan your workflow - It's crucial to have a well-thought-out workflow when working as an interior designer. This includes developing sketches and ideas before beginning any big projects, organizing your files systematically, and setting up deadlines and budgets so that you're always working within a budget. 3. Stay up-to-date with trends - As the industry evolves, it's important for interior designers to stay current with the latest trends. This way, you'll be able to create designs that reflect today's trends while still incorporating timeless elements.