I want to invest in early age startup to build asset. Ticket size will be from 5 lac to 20 lac. What are the options ?

Is there any way in which I can invest in an early stage promising startup? Think of it as a medium term investment

Got to know from someone that ppl invest amount in this range and get return on sales basis instead of the equity

Any suggestions for investment opportunities of where ticket size is aprx 1L?

I have recently received a a decent return from a one time investment. I want to invest the whole corpus somewhere. FDs are giving decent returns but not int...