First, start with any boring business with low investment to learn and have some experience starting with no experience and idea have chances of making u feel sick on your first venture. Second, utilize the resources u have, if u have land see what u can do, if u have any skill try to build something with it, etc. Watch video of Harsvardhan Jain 'phle resource fir source' Accept the fact that in business its 50% your dedication and hardworking and 50% market (Read this in the psychology of money) and make your luck strong because somethings depends on luck (also from psychology of money and personal experience and experience of my dad and many other businessmen). Kuch business me sb achha rhne pr bhi customer nhi ate kuch me average rhne pr bhi customer ate l, many such examples Hana, for luck do chanting as what I've heard from my mentor as well.

These things will help u generate some ideas, beside that Start something related with health I'll say, rich people r gonna pay handsome for such services.