History · Medieval Indian Administration

With reference to administrative and political developments under Muslim rulers in India, consider the following statements: I. The system of iqta assignments as a structured revenue-administrative mechanism was first institutionalised in India during the reign of Babur. II. The mansabdari system, which graded officials and integrated civil and military administration into a hierarchical framework, was introduced during Akbar's reign. III. The first formal imperial permission (farman) allowing the English East India Company to establish trading privileges in Mughal territories was issued during the reign of Jahangir. IV. During his reign, Shah Jahan launched campaigns in Central Asia and temporarily secured control over the Balkh region. Which of the statements given above are correct?