The Ahoms, who migrated from Southeast Asia, ruled Assam for nearly:

The correct answer is: c) 600 years

The Ahoms were a Tai people who migrated from Southeast Asia to Assam in the 13th century. They ruled Assam for nearly 600 years, from the 13th to the 19th centuries.

The Ahoms were a powerful and influential dynasty. They built a strong kingdom in Assam and introduced many new ideas and technologies to the region. They also played a significant role in the history of India.

The Ahoms were eventually overthrown by the British in the 19th century. However, their legacy continues to be felt in Assam today. The Ahom language, culture, and religion are still practiced by many people in the region.

The other options are incorrect because:

• Option (a) is incorrect because the Ahoms ruled Assam for nearly 600 years, not 200 years.
• Option (b) is incorrect because the Ahoms ruled Assam for nearly 600 years, not 400 years.
• Option (d) is incorrect because the Ahoms ruled Assam for nearly 600 years, not 800 years.