The coast of India located between the Krishna delta and Cape Comorin is known as the Coromandel Coast. Let's understand this in detail:

1. Coromandel Coast:
The Coromandel Coast is a region along the eastern coast of the Indian subcontinent, stretching from the Krishna delta in Andhra Pradesh to Cape Comorin (Kanyakumari) in Tamil Nadu. It is named after the Coromandel trees found in abundance in this area.

2. Location:
The Coromandel Coast is situated on the southeastern part of India, facing the Bay of Bengal. It covers the coastal areas of the states of Andhra Pradesh, Tamil Nadu, and parts of Puducherry.

3. Geography:
The geography of the Coromandel Coast is characterized by a narrow coastal plain, with the Eastern Ghats running parallel to the coast. The region is known for its sandy beaches, lagoons, and backwaters. The deltas of the Krishna, Godavari, and Kaveri rivers also contribute to the diverse landscape of this coast.

4. Historical Significance:
The Coromandel Coast has a rich historical and cultural significance. It was a significant trading center during ancient and medieval times, attracting merchants from different parts of the world. The region witnessed the rise and fall of various powerful dynasties, including the Cholas, Pallavas, and later the British.

5. Economic Importance:
The Coromandel Coast is known for its fertile agricultural lands, which support the cultivation of crops like rice, sugarcane, and cotton. Fishing is another important economic activity in the coastal areas. The region is also home to several major ports, including Chennai, Visakhapatnam, and Ennore, which contribute significantly to maritime trade.

In conclusion, the coast of India located between the Krishna delta and Cape Comorin is known as the Coromandel Coast. It is a historically and economically significant region, characterized by its geographical features and cultural heritage.