The Governor of an Indian state before entering upon his office takes an oath or affirmation before _________________.

Correct option is A

The correct answer is (a) the Chief Justice of the High Court exercising jurisdiction in relation to the State.
 The Governor of an Indian state takes an oath or affirmation before the Chief Justice of the High Court exercising jurisdiction in relation to the State. If the Chief Justice is not available, the oath can be administered by the senior-most judge of that court available. This procedure ensures the legality and formal induction of the Governor into office.
Information Booster:
 Constitutional Provision:
o Article 159: Prescribes the form of oath or affirmation to be made by the Governor.
 Role of Governor:
o The Governor is the constitutional head of the state and acts on the advice of the Council of Ministers headed by the Chief Minister.
o The Governor has the power to summon and prorogue the state legislature and dissolve the Legislative Assembly.
o He or she can reserve certain bills passed by the state legislature for the consideration of the President of India.
o The Governor also has the power to grant pardons, reprieves, respites, or remissions of punishment.
Other Facts:
 Appointment: The Governor is appointed by the President of India and holds office during the pleasure of the President.
 Tenure: Typically, the Governor's term of office is five years, but it can be terminated earlier by the President.
 Eligibility: A Governor must be a citizen of India and at least 35 years old. The same person can be appointed as the Governor of more than one state.