What is the tenure of the chairman of the State Public Service Commission?

6 years or the age of 62 years, whichever is earlier

The correct answer is Option 4 - 6 years or the age of 62 years, whichever is earlier

The tenure of the chairman of the State Public Service Commission in India is typically six years or until the age of 62, whichever is earlier.

Tenure of a few more important posts:

The tenure of a judge of the Supreme Court of India is until they reach the age of 65 years.
The tenure of a judge of a High Court in India is until the age of 62, or until retirement, whichever is earlier.
The Chief Justice of India (CJI) serves until the age of 65, or until retirement, whichever comes first.
The Chief Election Commissioner (CEC) of India, as well as Election Commissioners, hold office for a term of six years or until they attain the age of 65, whichever is earlier.
The tenure of the Comptroller and Auditor General (CAG) of India is six years or until the age of 65, whichever comes first, as per the Constitution of India.