A treasury bill is an instrument of short term debt. Treasury bills are sold with maturities of four, thirteen, twenty-six and fifty-two weeks.

Working capital financing is done by various modes such as trade credit, cash and discount of bills, bank guarantee, letter of credit, factoring, commercial paper, working capital financing extensively used by all small and big businesses.

The money market is where financial instruments with high liquidity and very short maturities are traded. It is used by participants as a means for borrowing and lending in the short term, with maturities that usually range from overnight to just under a year.

SEBI was set up 1988 to regulate the functions of the securities market and to protect the interest of investors. But SEBI was found ineffective in regulating the activities of the stock market. It was able to observe, but failed to take corrective measures.

In India, shares and securities are held electronically in a dematerialized (Demat) account, instead of the investor taking physical possession of certificates. A Demat account is opened by the investor while registering with an investment broker (or sub-broker).

Capital Market is a market dealing in medium and long-term funds. It is an institutional arrangement for borrowing medium and long-term funds and which provides facilities for marketing and trading of securities.

True. When the trade bill is accepted by commercial banks, it is known as a commercial bill. The bank can charge a commission from this.

True. SEBI creates an environment to facilitate efficient mobilization and allocation of resources through the securities market. 

Protective function: To protect the interest of investors.

Call money is a short-term lending instrument used only by banks on interbank lending.