1. Pushyamitra established the Shunga dynasty by killing the last Maurya emperor Brihadratha.

2. When Brihadratha became king, Pataliputra was the capital of the Maurya Empire.

3. Brihadratha had rebuilt many Buddhist stupas, among which the stupas of Sanchi and Bharhut are very important.

The Permanent Revenue Settlement of Bengal was introduced by Lord Cornwallis. It was implemented in 1793 during the British colonial period in India. The system aimed to provide a stable source of revenue for the British East India Company by fixing the land revenue demand on a permanent basis. Under this settlement, land revenue was fixed in perpetuity, and the zamindars (landlords) became intermediaries responsible for collecting revenue from the peasants and forwarding it to the British government. While it aimed to create stability, the Permanent Settlement had long-term negative consequences for the agrarian economy in Bengal.

1. Zafar Khan was the commander of Alauddin Khilji, the ruler of Delhi Sultanate.

2. Zafar Khan also took part in several other campaigns during the reign of Alauddin Khilji, including the invasion of Ranthambore in 1303, the invasion of Devagiri in 1304 and the invasion of Chedi in 1311. He was successful in all these campaigns and helped expand the territory and power of the Delhi Sultanate.

Culture is defined as the learned and shared behaviors, beliefs, attitudes, values, and material objects that characterize a particular group or society.

Koya rebellion in East Godavari region:

1. Year: 1879
 2. Major reason: Dissatisfaction against British rule
 3. Prominent Leader: Gunda Ram

Major events:

1. The rebels killed many British officers and soldiers.
 2. Rebels destroyed many government buildings.

Result:

The correct answer is the removal of disqualifications imposed on the Indian magistrates with regard to the trial of the Europeans. Ilbert bill was drafted by Sir Courtenay Ilbert on 9th February 1883 during the viceroyship of Lord Rippon.