Correct Answer: Promissory note

Solution : The correct answer is The currency note in India is (a) Promissory note.

A currency note is a form of legal tender issued by the central bank of a country, in this case, the Reserve Bank of India (RBI). It is a promissory note issued by the RBI, which means it is a promise to pay the bearer the specified amount mentioned on the note. Currency notes are widely accepted as a medium of exchange for goods and services within the country. Individuals can use currency notes to make purchases, settle debts, and conduct transactions in India. Therefore, the correct answer is option a. Promissory note.