Introduction:
Delhi, the capital city of India, is built around the Yamuna River. The Yamuna River is one of the major rivers in northern India and is considered sacred in Hinduism.

Location of Delhi:
Delhi is located in the northern part of India and is surrounded by the states of Haryana and Uttar Pradesh. The city is situated on the western bank of the Yamuna River, which flows through the city from north to south.

Historical Significance:
The Yamuna River has played a significant role in shaping the history and development of Delhi. The river has been a lifeline for the people of Delhi for centuries, providing water for drinking, irrigation, and transportation. It has also witnessed the rise and fall of several empires that ruled Delhi.

Impact on Settlements:
The Yamuna River has influenced the location and growth of settlements in Delhi. The river provided a natural barrier and protection to the city, making it strategically advantageous for establishing settlements. The settlements gradually grew around the riverbanks, forming the foundation of the city.

Cultural and Religious Importance:
The Yamuna River holds immense cultural and religious significance in India. It is considered one of the seven sacred rivers in Hinduism and is associated with various mythological stories and legends. Many temples and ghats (stepped embankments) are located along the Yamuna River in Delhi, where people gather for religious ceremonies, rituals, and festivals.

Environmental Concerns:
Over the years, the Yamuna River has faced numerous environmental challenges. Pollution from industrial and domestic waste has severely affected the water quality of the river. Efforts are being made to clean the river and restore its ecological balance.

Conclusion:
Delhi, the capital city of India, is built around the Yamuna River. The river has played a vital role in the historical, cultural, and religious development of the city. Despite the environmental challenges it faces, the Yamuna River continues to be an integral part of Delhi's identity and heritage.

The answer is option ( c) yamuna