Which of the following statement is correct with respect to Preamble of the Constitution of India?
1
The Preamble is based on the 'Objective Resolution' moved by Jawaharlal Nehru in the Constitution Assembly.
2
The Preamble has been amended only twice so far.
3
In the Berubari Union case (1960), Supreme Court held that Preamble is a part of the Constitution.
4
All of the above