Correct Answer: 1971

Solution : The correct option is 1971.

Until 1971, the High Court of Delhi had jurisdiction over Himachal Pradesh. Himachal Pradesh was granted its own High Court, known as the Himachal Pradesh High Court, in 1971, and it began operating autonomously. Before that, the Delhi High Court had jurisdiction over Himachal Pradesh since it was within the territorial jurisdiction of the Delhi High Court.