The Professor started investigating the period of Asoka to the third battle of Panipat at Town Hall.

1. Introduction:
The period of Asoka to the third battle of Panipat is a significant time in Indian history. It spans several centuries and encompasses various dynasties, empires, and battles. The Professor's investigation at Town Hall focuses on understanding and analyzing this crucial period.

2. Importance of the Period:
The period of Asoka to the third battle of Panipat witnessed significant political, social, and cultural changes in India. It was a time of dynastic shifts, the rise and fall of empires, and the impact of foreign invasions. Understanding this period helps in comprehending the historical context and shaping of modern India.

3. Asoka's Reign:
Asoka, the Mauryan emperor, ruled a vast empire in the 3rd century BCE. He played a vital role in spreading Buddhism and establishing a just and ethical administration. The Professor might investigate Asoka's reign to understand his policies, governance, and the impact of Buddhism on society.

4. Gupta Empire:
The Gupta Empire, which flourished from the 4th to the 6th century CE, was known as the "Golden Age" of India. The Professor might explore this period to study the Gupta administration, advancements in science, mathematics, and the arts, and the socio-economic conditions of the time.

5. Foreign Invasions:
During this period, India faced multiple foreign invasions, including the Huns, Arabs, Turks, and Mughals. The Professor's investigation might include studying the impact of these invasions on Indian society, culture, and politics. Additionally, the Professor might analyze the strategies employed by Indian rulers to defend against these invasions.

6. The Third Battle of Panipat:
The third battle of Panipat, fought in 1761, was a significant event in Indian history. It involved the Marathas and the Afghan forces led by Ahmad Shah Durrani. The battle resulted in a decisive victory for the Afghan forces and had far-reaching consequences for the Indian subcontinent. The Professor might investigate this battle to understand its causes, effects, and its impact on subsequent events.

In conclusion, the Professor's investigation at Town Hall focuses on the period of Asoka to the third battle of Panipat. This period encompasses various dynasties, empires, and battles, and studying it provides insights into the political, social, and cultural developments in ancient and medieval India.