|A) IPO||B) Preferential Issue|
|C) Rights Issue||D) FPO|
FPO (Follow on Public Offer) is a process by which a company, which is already listed on an exchange, issues new shares to the investors or the existing shareholders, usually the promoters. FPO is used by companies to diversify their equity base. A follow-on public offer (FPO) is also called Further Public Offer.