The document discusses various money market instruments in India including Treasury Bills (T-bills), Commercial Papers (CPs), Certificates of Deposit (CDs), and Commercial Bills. T-Bills are short-term sovereign debt instruments issued in 91, 182, and 364 day maturities through weekly auctions. CPs are unsecured promissory notes issued by corporations since 1990. CDs are issued by commercial and cooperative banks with maturities between 3 months to 1 year. Commercial bills arise from trade transactions and have maturities of 60-90 days.