Nidhi Company is one of the categories of NBFC or in other words, it is the cheapest and easiest form of NBFC as well. Also, it is very easy form to register and does not require much capital. Anybody can register a Nidhi Company with only 5 lakh minimum capital and with minimum of seven members.
Through, there are various restrictions as well, but we look at its cost involved, we can say it is a small and legal ways to start the finance business in India. When you business grew a lot in this, then you can anytime graduate to a full fledge Non-Banking Financial Company.