Consider the following statements regarding the political parties in India. A. The representation of the People's Act, 1951 provides for the registration of political parties. B. Registration of political parties is carried out by the Election Commission. C. A national level political party is one which is recognised in four or more states. D. During the 1999 general elections, there were 6 national and 48 statelevel parties recognised by the Election Commission. Which of these statements are correct?