The incorrectly matched option in this scenario is option 'C' which states that the Rangpur rebellion took place in Bihar. The correct answer is Jharkhand.

Santhal Rebellion: Jharkhand
The Santhal Rebellion was an important tribal uprising that took place in Jharkhand in the year 1855-56. Led by the Santhal tribe, the rebellion was a response to the oppressive policies and exploitation by the British colonial administration. The Santhals, who were the largest tribal group in the region, revolted against the British authorities and their allies, including local landlords and moneylenders. The rebellion was eventually suppressed by the British, but it had a significant impact on the tribal movements and their demands for land rights in the region.

Mappila Rebellion: Kerala
The Mappila Rebellion, also known as the Malabar Rebellion, took place in Kerala in 1921. It was a peasant and Muslim-led uprising against the British colonial rule and the oppressive feudal system. The rebellion was triggered by economic hardships, social inequalities, and the resentment towards the British administration. The rebels, mainly consisting of Mappila Muslims, fought against the British forces but were eventually defeated. The rebellion had a lasting impact on the socio-political dynamics of Kerala and played a significant role in shaping the anti-colonial struggle in the region.

Rangpur Rebellion: Bihar (Incorrectly matched)
The Rangpur Rebellion did not take place in Bihar as stated in the given option. Rangpur is actually a city located in present-day Bangladesh. There is no historical record of a rebellion specifically named the Rangpur Rebellion in Bihar. It is possible that there may have been some local uprisings or movements in Bihar during the colonial period, but the Rangpur Rebellion is not one of them.

In conclusion, the Santhal Rebellion took place in Jharkhand, the Mappila Rebellion occurred in Kerala, but the Rangpur Rebellion did not take place in Bihar. Therefore, option 'C' is incorrectly matched.