Consider the following statements regarding the administrative divisions of Bihar under the Tughlaqs: 1. Under Firoz Shah Tughlaq, Bihar was divided into administrative units called 'Iqtas', with Bihar Sharif serving as the main headquarters. 2. The Tughlaq coins minted from 'Tughlaqpur-urf-Darbhanga' confirm the direct administrative control of Delhi over Mithila. 3. Firoz Shah Tughlaq appointed Kameshwar Thakur, founder of the Oiniwar dynasty, to rule over Tirhut as a tributary vassal. Which of the statements given above are correct?

Options:

• A: 1 and 2 only
• B: 2 and 3 only
• C: 1 and 3 only
• D: 1, 2 and 3

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