Q. Consider the following statements :1. The Constitution of India has 20 parts.2. There are 390 Articles in the constitution of India in all.3. Ninth,Tenth,Eleventh& Twelfth Schedules were added to the constitution of         India by the Constitution (Amendment)Acts.Which of the statements given above is/are correct ? 

1. 1 and 2
2. 2 only
3. 3 only
4. 1,2 and 3