With reference to the Indian economy, consider the following statements:

1. A treasury bill is a promissory note issued by the Reserve Bank of India to meet the long-term requirement of funds.

2. Call money is mainly used by the banks to meet their temporary requirement of cash. 

3. Commercial paper is an unsecured, short period debt tool issued by a company, usually for the finance and inventories and temporary liabilities.

Which of the statements given above is/are correct?