There is no cap to the maximum investment limit. However, the investor needs to maintain the below minimum investment in their account. In Tier I Account: Minimum contribution p.a.= INR 1000 Minimum amount per contribution= INR 500. Further, the investors are supposed to maintain a minimum balance of INR 6000 in Tier I account at the end of the financial year. In Tier II Account: Minimum amount per contribution= INR 250. In Tier II, there is no requirement of maintaining any minimum balance.