Explanation:

• Both the Supreme court as well as the high court has power to punish for its contempt. In 1991, the Supreme Court ruled that it has the power to punish for contempt not only of itself but also of high courts, subordinate courts and tribunals functioning in the entire country. Also, High Courts have been given special powers to punish contempt of subordinate courts, as per Section 10 of the Contempt of Courts Act of 1971.
• Parliament has formulated Contempt of Courts Act, 1971.Publishing any fair comment on the merits of any case which has been heard and finally decided, does not amount to contempt of court.
• The Contempt of Courts Act 1971, contempt refers to the offence of showing disrespect to the dignity or authority of a court. The Act divides contempt into civil and criminal contempt.
• Article 19(2) which places restriction on freedom of speech and expression mentions contempt of court as one of the grounds.

Hence only statements 1,2&4 are correct.