The Taj Mahal lies on the banks of the river.

Explanation:
The Taj Mahal, one of the most iconic and renowned structures in the world, is situated in Agra, India. It is a mausoleum built by the Mughal emperor Shah Jahan for his beloved wife Mumtaz Mahal. The location of the Taj Mahal is of great significance as it enhances the beauty of the monument and adds to its grandeur.

The river on which the Taj Mahal lies is:
The correct answer is option 'A', Yamuna. The Taj Mahal is located on the banks of the Yamuna River. The Yamuna is one of the major rivers in northern India and is considered sacred by Hindus. It is a tributary of the Ganga (Ganges) River and flows through several states before merging with the Ganga in Allahabad.

Importance of the river:
The presence of the Yamuna River near the Taj Mahal adds to the scenic beauty of the monument. The river provides a stunning reflection of the Taj Mahal, especially during sunrise and sunset, creating a mesmerizing sight for visitors. The serene and tranquil atmosphere created by the river enhances the overall experience of visiting the Taj Mahal.

Historical significance:
The choice of location for the Taj Mahal along the banks of the Yamuna River also holds historical significance. The river served as a vital source of water for the construction and maintenance of the monument. It was not only a practical decision but also a symbolic one, as the flowing river represented life and purity, which are key elements in Islamic architecture.

Additionally, the Yamuna River has been an important trade route throughout history, connecting Agra to other regions of India. This facilitated the transportation of materials and resources required for the construction of the Taj Mahal. The river played a crucial role in the logistics of building such a magnificent structure.

Conclusion:
In conclusion, the Taj Mahal lies on the banks of the Yamuna River. The presence of the river not only enhances the beauty of the monument but also holds historical and cultural significance. The flowing Yamuna River adds to the overall experience of visiting the Taj Mahal, making it a truly remarkable and awe-inspiring sight.

River -Yamuna
City -Agra
State -up