The Defeat of the Tomara Rajputs by the Chauhans in the Twelfth Century

The correct answer to the given question is option 'B' - Ajmer. In the middle of the twelfth century, the Tomara Rajputs were defeated by the Chauhans of Ajmer. Let's delve into the historical context and events that led to this defeat.

1. Background: Tomara Rajputs and Chauhans
- The Tomara Rajputs were a prominent dynasty that ruled over parts of Northern India, particularly Delhi and Haryana, from the eighth to the twelfth century.
- The Chauhans were another powerful Rajput clan who established their stronghold in the region of Ajmer in present-day Rajasthan.
- Both the Tomaras and Chauhans played significant roles in Indian history and were involved in numerous conflicts and alliances.

2. Rise of the Chauhans
- The Chauhans rose to prominence under the leadership of Prithviraj Chauhan, who became the ruler of Ajmer in the late eleventh century.
- Prithviraj Chauhan is known for his valor and military prowess, and he expanded his territories through a series of successful campaigns and strategic alliances.

3. Conflict between the Tomaras and Chauhans
- The Tomaras and Chauhans were not always rivals. In fact, they occasionally formed alliances against common enemies.
- However, the balance of power between the two clans started to shift, and conflicts arose due to territorial ambitions and political rivalries.
- The Tomaras, under the rule of Anangpal II, faced a formidable challenge from Prithviraj Chauhan, who sought to expand his influence over the region.

4. Battle of Tarain
- The decisive battle between the Tomara Rajputs and the Chauhans took place in 1191 CE at Tarain, near present-day Haryana.
- The battle is famous for the clash between Prithviraj Chauhan and the Ghurid ruler Muhammad of Ghor.
- Prithviraj Chauhan initially faced setbacks but eventually emerged victorious, defeating Muhammad of Ghor.
- This victory established the Chauhans as the dominant power in the region and marked the decline of the Tomara Rajputs.

5. Aftermath
- Following their defeat at Tarain, the Tomara Rajputs lost their grip over Delhi and surrounding areas.
- The Chauhans consolidated their power and continued to rule over Ajmer and other territories in Rajasthan for several more decades.
- However, the glory of the Chauhans was short-lived as they faced subsequent invasions, including the famous invasion by Muhammad of Ghor in 1192 CE, which led to the end of Chauhan rule in Ajmer.

In conclusion, the Tomara Rajputs were defeated by the Chauhans of Ajmer in the middle of the twelfth century. This defeat occurred during the Battle of Tarain, which marked a turning point in the power dynamics of the region.