Consider the following statements regarding the irrigation tax and water management in the Mauryan Empire: 1. The Mauryan state levied a water tax called 'Udakabhaga', which varied depending on the method of irrigation used. 2. Farmers who drew water from their own manual efforts paid a higher rate of Udakabhaga than those using state-constructed canals. 3. The Arthashastra mentions that exemption from land revenue was granted for a specified period to those who built new irrigation tanks. Which of the statements given above is/are correct?

Options:

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

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