It is an instrument of short-term borrowing by the Government of India maturing in less than one year.
Treasury bill
Answer (b) Treasury bill
Explanation: Treasury bills are money market instruments provided by the Government of India as a promissory note with ensured reimbursement on a specific date in the future. Assets gathered through such tools are ordinarily used to meet momentary necessities or for short-term use requirements of the public authority, thus, lessening the overall financial deficiency of a country.