Explanation:

3rd option is correct.
Himachal Pradesh came into being as a centrally administered territory on 15th April 1948.
Himachal Pradesh is a state of India located in Northern India. It is bordered by Jammu and Kashmir on the north, Punjab and Chandigarh on the west, Haryana on the south-west, Uttarakhand on the south-east and by the Tibet Autonomous Region on the east. The name was coined from Sanskrit him 'snow' and achal 'mountain', by Acharya Diwakar Datt Sharma, one of the state's most eminent Sanskrit scholars.