The correct answer is (a) Almora.
The Arya Samaj is a Hindu reform movement founded in 1875 by Swami Dayanand Saraswati. The movement’s goal is to purify Hinduism and restore it to its original Vedic form. The Arya Samaj has been active in education, social reform, and religious revival.
The first Arya Samaj temple in India was built in Almora, Uttarakhand, in 1877. The temple was built by Pandit Guru Datt Vidyarthi, a disciple of Swami Dayanand Saraswati. The temple is dedicated to Lord Rama and is one of the most important temples of the Arya Samaj.
The other options are incorrect because they are not places in Uttarakhand where an Arya Samaj temple was built.
(b) Nainital is a town in the Kumaon region of Uttarakhand, India. It is a popular tourist destination known for its scenic beauty.
(c) Kausani is a village in the Kumaon region of Uttarakhand, India. It is a popular tourist destination known for its views of the Himalayas.
(d) Ranikhet is a town in the Kumaon region of Uttarakhand, India. It is a popular tourist destination known for its scenic beauty and its military cantonment.