Consider the following statements regarding the Central Vigilance Commission(CVC) ?
- The office of CVC was established by the recommendations of Santhanam Committee in 1964.
- The CVC holds office for a tenure of four years.
- The jurisdiction of the CVC extends to the members of All India Services and Group A officers of Central and State Governments.
- The CVC reviews the programme of investigation conducted by the Delhi Police Special Establiment.
Which of the above Statement(s) is/are correct?