The fall of dynasties in Chhattisgarh was often due to:

Internal conflicts
External invasions
Natural disasters
All of the above

The fall of dynasties in Chhattisgarh was often due to a combination of factors, including internal conflicts, external invasions, and natural disasters.

Internal conflicts were a major cause of the downfall of many dynasties in Chhattisgarh. These conflicts could be caused by a variety of factors, such as succession disputes, power struggles between different factions within the dynasty, or religious or ethnic differences.

External invasions were another major cause of the downfall of dynasties in Chhattisgarh. The region was frequently invaded by neighboring kingdoms, such as the Mughal Empire and the Maratha Empire. These invasions often led to the destruction of cities and towns, the displacement of people, and the loss of life.

Natural disasters, such as floods, droughts, and earthquakes, also played a role in the downfall of dynasties in Chhattisgarh. These disasters could cause widespread damage to crops and infrastructure, leading to famine and economic hardship. They could also lead to the spread of disease, which could further weaken the dynasty.

In conclusion, the fall of dynasties in Chhattisgarh was often due to a combination of factors, including internal conflicts, external invasions, and natural disasters. These factors could interact in complex ways, making it difficult to identify a single cause for the downfall of any particular dynasty.