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, Pithoragarh, and Champawat. 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 Bharat Heavy Electricals Limited (BHEL) factory at Haridwar, and the Indian Oil Corporation (IOC) refinery at Mathura. The district is also home to a number of small and medium-sized industries.
The per capita income of Udhamsingh Nagar is the highest in Uttarakhand. The per capita income of the district was â¹1,25,000 in 2016-17. The per capita income of the district is higher than the national average of â¹1,00,000.
The high per capita income of Udhamsingh Nagar is due to the presence of a number of large industrial units in the district. The district is also home to a number of small and medium-sized industries. The high per capita income of the district has led to a high standard of living in the district.
The other options are incorrect because they are not the districts with the highest per capita income in Uttarakhand.
(b) Dehradun is the capital of Uttarakhand. The per capita income of Dehradun was â¹95,000 in 2016-17.
(c) Haridwar is a city in the Indian state of Uttarakhand. The per capita income of Haridwar was â¹85,000 in 2016-17.
(d) Nainital is a city in the Indian state of Uttarakhand. The per capita income of Nainital was â¹75,000 in 2016-17.