Which one of the following statements is NOT true about Shreni System of Ancient India?

Which one of the following statements about Gupta coins is not correct?

Which of the following statements is/are incorrect about coins of Gupta period?

Who among the following is not associated with medicine in ancient India?

With reference to forced labour (Vishti) in India during the Gupta period, which one of the following statements is correct?

Which among the following refers to 'unpaid labour' in ancient/medieval India?