As per Census 2011, which district has the highest population in Jammu and Kashmir?

The correct answer is: A. Jammu

Jammu district is the most populous district in Jammu and Kashmir, with a population of 2,178,226 as per the 2011 census. It is located in the Jammu division of the state. The district is spread over an area of 22,224 square kilometers. The headquarters of the district is Jammu city.

The other options are incorrect because:

• Srinagar district has a population of 1,209,392.
• Anantnag district has a population of 1,132,902.
• None of the other districts in Jammu and Kashmir have a population of more than 1 million.