Till which year did the High Court of Delhi continue to exercise jurisdiction over Himachal Pradesh?

Correct option is C

The correct answer is (c) 1971.
 The High Court of Delhi continued to exercise jurisdiction over Himachal Pradesh until January 25, 1971.
 This jurisdiction lasted until the State of Himachal Pradesh Act, 1970 was enforced, which granted Himachal Pradesh its own High Court.
Information Booster:
Constitutional Facts about High Courts in India:
 The Indian Constitution provides for the establishment of High Courts in each state under Article 214.
 High Courts have jurisdiction over civil and criminal cases within their respective states.
 They are empowered to hear appeals from lower courts and have original jurisdiction in certain matters.
 High Court judges are appointed by the President of India in consultation with the Chief Justice of India and the Governor of the respective state.
 The Constitution allows for a High Court to have jurisdiction over more than one state or union territory, as was the case with the High Court of Delhi's jurisdiction over Himachal Pradesh until 1971.