The correct answer is: A. Udhampur
Union Church is located in Udhampur, Jammu and Kashmir, India. It is a Protestant church that was built in 1887. The church is located on the banks of the Chenab River and is a popular tourist destination.
The church is built in the Gothic Revival style and has a large central tower. The interior of the church is decorated with stained glass windows and a pipe organ.
The church is open to the public and is a popular place for weddings and other special events.
Option B, Kathua, is incorrect because Union Church is not located in Kathua. Kathua is a city in the Jammu region of India. It is located on the banks of the Ravi River.
Option C, Doda, is incorrect because Union Church is not located in Doda. Doda is a district in the Jammu region of India. It is located in the Pir Panjal Range.
Option D, Rajouri, is incorrect because Union Church is not located in Rajouri. Rajouri is a district in the Jammu region of India. It is located in the Pir Panjal Range.