1 category i aifs is one of the broad categories of aif that invest in startups smes and socially and economically viable projects and have 4 types of funds2 venture capital funds invest in startups which have a high growth potential but are lacking the funds to expand further3 infrastructure funds invest in the development of public infrastructure like roads rail infrastructure and airports4 angel funds also invest in startups but the investors are called angels as they bring in experience in business management to guide the underlying companies5 social venture funds invest in companies which intend to make profits while solving social or environmental issuescontent on this page is courtesy centre for investment education and learning ciel contributions by girija gadre arti bhargava and labdhi mehta