The Battle of Koppam was fought between the Western Chalukyas and the Cholas. It took place in the 11th century in present-day Tamil Nadu, India. This battle was a significant event in the history of South India and had far-reaching implications for the political landscape of the region.

Background:
- The Western Chalukyas, also known as the Chalukyas of Kalyani, were a powerful dynasty that ruled over parts of present-day Karnataka, Maharashtra, and Andhra Pradesh.
- The Cholas, on the other hand, were a dominant dynasty in South India, with their kingdom centered in present-day Tamil Nadu.
- Both dynasties had been engaged in territorial disputes and power struggles for many years, leading to frequent conflicts and battles between them.

Causes of the Battle:
- The primary cause of the Battle of Koppam was the expansionist policies of both the Western Chalukyas and the Cholas.
- The Western Chalukyas sought to extend their influence and control over the territories held by the Cholas, while the Cholas aimed to protect their kingdom and push back against the Chalukyan threat.
- The battle was also fueled by personal rivalries and ambitions of the respective rulers.

Events and Outcome:
- The Battle of Koppam was a major military engagement between the armies of the Western Chalukyas, led by King Vikramaditya VI, and the Cholas, led by King Rajendra Chola.
- The exact details of the battle are not well-documented, but it is believed to have been a fierce and prolonged conflict.
- Ultimately, the Cholas emerged victorious, dealing a significant blow to the Western Chalukyas and weakening their power in the region.
- The battle marked a turning point in the Chalukya-Chola rivalry, with the Cholas gaining the upper hand and establishing their dominance over large parts of South India.

Significance:
- The Battle of Koppam had significant implications for the political landscape of South India.
- It led to a shift in power from the Western Chalukyas to the Cholas and marked the beginning of Chola supremacy in the region.
- The Cholas went on to establish a vast empire, extending their influence over much of South and Southeast Asia.
- The battle also demonstrated the military prowess of the Cholas and solidified their reputation as formidable warriors.

In conclusion, the Battle of Koppam was a pivotal conflict between the Western Chalukyas and the Cholas. It resulted in the Cholas emerging as the dominant power in South India and had far-reaching consequences for the political history of the region.