Detailed Solution:
The correct answer is “I, II and III”.
1) Alauddin Khalji (1296-1316), the Sultan of Delhi, was the first to implement a system of revenue collection based on the measurement of cultivated land. This system was called Zabt, and it involved measuring land and then assessing land revenue based on the actual measurements.
2) Alauddin Khilji implemented extensive revenue and market reforms to increase state wealth and control of the economy.
3) Alauddin Khilji when came to the throne had to face rebellion from nobles. He took some of the measures to crush their powers; they were not allowed to hold parties and enjoy festivities to form the Marriage Alliance without the permission of the Sultan.