Who called the Preamble as Political Horoscope of Indian Constitution?

The Preamble to the Constitution of India is :

What is the legal nature of the Preamble of the Constitution?

How many types of liberties are provided in ‘The Preamble of the Constitution of India’?

How many types of justice has been enshrined in the Preamble of the Constitution of India?

Which among the following is the correct order mentioned in Preamble of the Indian Constitution?