Which among the following districts of Himachal Pradesh touches the boundary of Uttarakhand?

Kangra
Solan
Kinnaur
Kullu

The correct answer is: Option A – Kangra.

Kangra district is one of the 12 districts of Himachal Pradesh, India. It is the largest district in the state, covering an area of 6,011 square kilometers. The district is located in the central part of the state and is bordered by the districts of Chamba to the north, Hamirpur to the east, Una to the south, and Solan to the west. The district is also bordered by the state of Uttarakhand to the north.

The district headquarters is at Dharamshala, which is also the winter capital of Himachal Pradesh. Other important towns in the district include Kangra, Palampur, Baijnath, and Chambaghat.

The district is home to a number of historical and religious sites, including the Kangra Fort, the Dalai Lama Temple, and the Baijnath Temple. The district is also known for its natural beauty, including the Dhauladhar Range and the Kangra Valley.

The district has a population of over 2.2 million people. The majority of the population is Hindu, followed by Muslims and Sikhs. The main languages spoken in the district are Hindi, Punjabi, and Pahari.

The district is a major agricultural region, with crops such as rice, wheat, maize, and sugarcane being grown. The district is also home to a number of industries, including the textile industry, the paper industry, and the food processing industry.

The district is well-connected by road and rail. The National Highway 5 passes through the district, connecting it to the rest of the country. The district is also served by the Kangra Railway Station, which is a major railway station on the Kalka-Shimla Railway.

The district is a popular tourist destination, with a number of tourist attractions, including the Kangra Fort, the Dalai Lama Temple, and the Baijnath Temple. The district is also known for its natural beauty, including the Dhauladhar Range and the Kangra Valley.