**Muslim Rule in India**

The correct answer to the question is option 'B' - 1192. Muslim rule in India was established in the year 1192 with the conquest of Delhi by Muhammad of Ghor.

**The Ghurid Dynasty**
- The Ghurid Dynasty, originally from Central Asia, played a significant role in the establishment of Muslim rule in India.
- Muhammad of Ghor, the ruler of the Ghurid Dynasty, launched multiple expeditions into northern India in the late 12th century.

**The Battle of Tarain (1191)**
- One of the significant events leading to the establishment of Muslim rule in India was the Battle of Tarain in 1191.
- Muhammad of Ghor faced Prithviraj Chauhan, the ruler of the Chauhan dynasty, in this battle.
- Prithviraj Chauhan initially defeated Muhammad of Ghor, but he was captured and imprisoned by the Ghurid ruler.

**The Second Battle of Tarain (1192)**
- The following year, in 1192, Muhammad of Ghor launched the Second Battle of Tarain against Prithviraj Chauhan.
- This time, Muhammad of Ghor emerged victorious, leading to the establishment of Muslim rule in Delhi.
- Prithviraj Chauhan was killed in this battle, and the Chauhan dynasty lost its power and influence.

**The Delhi Sultanate**
- With the establishment of Muslim rule in Delhi in 1192, the Delhi Sultanate was founded.
- Qutb-ud-din Aibak, a trusted general of Muhammad of Ghor, became the first Sultan of Delhi.
- The Delhi Sultanate lasted for more than three centuries and saw the rule of various dynasties, including the Mamluk, Khalji, Tughlaq, Sayyid, and Lodi dynasties.

**Impact of Muslim Rule**
- Muslim rule in India had a profound impact on the country's culture, architecture, and society.
- It introduced Persian and Arabic influences in various aspects, including language, literature, art, and architecture.
- The construction of magnificent monuments like the Qutub Minar, Jama Masjid, and Red Fort exemplify the architectural legacy of Muslim rule in India.

In conclusion, Muslim rule was established in India in the year 1192 with the conquest of Delhi by Muhammad of Ghor. This event marked the beginning of the Delhi Sultanate and had a lasting impact on the cultural and architectural landscape of the country.