Which of the following statements are true/false?
1. Gratuity shall be payable to an employee on the termination of his employment after he has rendered continuous service for not less than five years.
2. Each employee, who has completed one year of service, shall make nomination for the purpose of receiving gratuity.
3. For every completed year of service in excess of six months, the employer shall pay gratuity to an employee at the rate of fifteen day's wages based on the rate of wages last drawn by the employee concerned.
4. An employer who contravenes, or makes default in complying with, any of the provisions of the Payment of Gratuity Act shall be punishable with imprisonment for a term which may extend to one year, or with fine which may extend to twenty thousand rupees, or with both.