The correct answer is (a) Udhamsingh Nagar.
Udhamsingh Nagar is a district in the Indian state of Uttarakhand. It is the most populous district in the state, with a population of over 2.5 million people. The district is located in the Kumaon region of Uttarakhand, and is bordered by the districts of Nainital, Almora, Champawat, and Pithoragarh. The headquarters of the district is the town of Rudrapur.
Udhamsingh Nagar is a major industrial district in Uttarakhand. The district is home to a number of large industrial units, including the Hindustan Aeronautics Limited (HAL) factory at Tumkur. The district is also a major agricultural district, and is known for its production of rice, wheat, and sugarcane.
The per capita income of Udhamsingh Nagar is the highest in Uttarakhand. In 2016-17, the per capita income of Udhamsingh Nagar was â¹1,62,941, while the per capita income of Uttarakhand was â¹1,22,262. The high per capita income of Udhamsingh Nagar is due to its strong industrial and agricultural sectors.
The other options are incorrect because they are not the districts with the highest per capita income in Uttarakhand. Dehradun is the capital of Uttarakhand, and is the second most populous district in the state. The per capita income of Dehradun is â¹1,37,444. Haridwar is a holy city in Uttarakhand, and is the third most populous district in the state. The per capita income of Haridwar is â¹1,29,523. Nainital is a popular tourist destination in Uttarakhand, and is the fourth most populous district in the state. The per capita income of Nainital is â¹1,26,602.