There are many options to reinvest your earned money and earn huge profits on it. Some options are risk-free, like bank FD, and PF there are some options. Some options are high-risk high returns. One such option is the stock market. The stock market is an option in which you can earn money in many ways. One of the popular ways to double money in one day is IPO. In the previous article, we have seen information about IPO, what is IPO, and how to open a Demet account. what is GMP (grey market premium)? Today let us see information about another type of IPO i.e., SME IPO.