The correct answer is (d) Devprayag.
Devprayag is a town in the Garhwal region of Uttarakhand, India. It is located at the confluence of the Alaknanda and Bhagirathi rivers, which form the Ganges River. The town is a popular tourist destination, and is known for its temples and shrines.
The confluence of the Alaknanda and Bhagirathi rivers is considered to be a sacred site in Hinduism. The rivers are said to represent the goddesses Lakshmi and Saraswati, respectively. The confluence is also said to be the site where the god Vishnu appeared to the sage Agastya.
The town of Devprayag is home to a number of temples and shrines. The most famous of these is the Vishnuprayag Temple, which is dedicated to the god Vishnu. The temple is said to have been built by the Pandavas, the heroes of the Mahabharata.
Devprayag is also a popular destination for pilgrims. The town is located on the Char Dham Yatra, a pilgrimage route that includes four Hindu temples in the Garhwal Himalayas. The other three temples on the Char Dham Yatra are Kedarnath, Badrinath, and Gangotri.
The confluence of the Alaknanda and Bhagirathi rivers is a beautiful and sacred site. The town of Devprayag is a popular tourist destination and a pilgrimage site for Hindus.