Consider the following statements about the literacy rate of India and select the correct answer using the code given below; 1. The crude literacy rate of India is 65 per cent. 2. The effective literacy rate of India is about 73 per cent. 3. The life span of Indian population is about 67 years.

• A.  1, and 2 are correct     
• B.  1 and 3 are correct
• C.  2 and 3 are correct       
• D.  1, 2 and 3 are correct