Mr Srettha said he and cabinet ministers will take advice from His Majesty the King and use it as a guideline when carrying out their duties. What can be done quickly must be done first," the prime minister said. He also said he has yet to put a deputy prime minister in charge of national security. Asked when he will assess the performance of his cabinet ministers, Mr Srettha said: "It depends. Our work will be based on people's needs," said Mr Srettha.