Consider the following statements regarding Union Public Service Commission (UPSC)
1. The composition of UPSC is determined by the President.
2. UPSC is only a central recruiting agency while the Department of Personnel and Training is the central personnel agency in India.
3. The chairman and members of the Commission hold office for a term of five years or until they attain the age of 65 years, whichever is earlier.
4. The recommendations made by UPSC are binding on the government.
Which of the above statement(s) is/are correct?