With reference to the Indian economy, consider the following statements : 1. 'Commercial Paper' is a short-term unsecured promissory note. 2. 'Certificate of Deposit' is a long-term instrument issued by the Reserve Bank of India to a corporation. 3. 'Call Money' is a short-term finance used for interbank transactions. 4. 'Zero-Coupon Bonds' are the interest bearing short-term bonds issued by the Scheduled Commercial Banks to corporations. Which of the statements given above is/are correct ?