There are many businesses that you can do with your 5-6 million budget. However, with investment, each business wants a proper market research too. Before starting my coffee shop business in Pindi region, I simply worked a lot on market research and this article https://www.millforbusiness.com/start-coffee-shop-with-no-money/ also helped me a lot as I had fewer funds.
You can open a quality restaurant or retail store with online service with your investment but don't forget to conduct complete market research and competitive analysis.
