Correct option is B
Ans. (b)
Explanation: The Kumbhalgarh Fort is referred to as the armoured fort by Abul Fazal in his writings. The fort, built by Rana Kumbha in the 15th century, is known for its massive walls, which stretch over 36 km, making it the second-longest wall in the world after the Great Wall of China.
Information Booster
1. Located in the Aravalli Hills of Rajasthan.
2. UNESCO World Heritage Site under the Hill Forts of Rajasthan.
3. Known for its ingenious water storage and defense mechanisms.