15F. Penalty for default in case of stock brokers.- If any person, who is registered as a stock broker under this Act,- (a) fails to issue contract notes in the form and in the manner specified by the stock exchange of which such broker is a member, he shall be liable to a penalty not exceeding five times the amount for which the contract note was required to be issued by that broker; (b) fails to deliver any security or fails to make payment of the amount due to the investor in the manner within the period specified in the regulations, he shall be liable to a penalty not exceeding five thousand rupees for each day during which such failure continues; (c) charges an amount of brokerage which is in excess of the brokerage specified in the regulations, he shall be liable to a penalty not exceeding five thousand rupees or five times the amount of brokerage charged in excess of the specified brokerage, whichever is higher. | 
