Consider the following statements: 1. In the revenue administration of Delhi Sultanate, the in-charge of revenue collection was known as 'Amil'. 2. The Iqta system of Sultans of Delhi was an ancient indigenous institution. 3. The office of Mir Bakshi' came into existence during the reign of Khalji Sultans of Delhi. Which of the statements given above is/are correct?

With reference to Indian history, consider the following statements: 1. The first Mongol invasion of India happened during the reign of Jalal-ud-din Khalji. 2. During the reign of Ala-ud-din Khalji, one Mongol assault marched up to Delhi and besieged the city. 3. Muhammad-bin-Tughlaq temporarily lost portions of north-west of his kingdom to Mongols. Which of the statements given above is/are correct?

Consider the following: 1. Assessment of land revenue on the basis of nature of the soil and the quality of crops 2. Use of mobile cannons in warfare 3. Cultivation of tobacco and red chillies. Which of the above was/were introduced into India by the English?

In medieval India, the designations 'Mahattara' and 'Pattakila' were used for