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

1. Correct. In the Delhi Sultanate's revenue administration, the Amil was the officer responsible for assessment and collection of land revenue at the local level.

2. Incorrect. The Iqta system was not an ancient indigenous institution; it was of West/Central Asian-Islamic origin and was introduced in India by the Delhi Sultans.

3. Incorrect. The office of Mir Bakshi is associated with the Mughal administrative system, especially from Akbar's period, not with the Khalji Sultans of Delhi.

Hence, only statement 1 is correct.