The functions of the Indian Government is carried out by several Ministry and Departments. Consider the following statements:
1. No minister can openly criticise the government's decision, even if it is about another Ministry or Department.
2. Every ministry lias secretaries, who are civil servants.
3. The secretaries provide the necessary background information to the ministers to take decisions.
4. The Prime Minister's decisions are final in case disagreements arise between Departments.
Which of the statements is/are incorrect?