Who has termed Constitution a sacred document?

Which of the following has been described as the 'soul' of the Indian Constitution?

Which one of the following is not enumerated in the Constitution of India as a fundamental duty of citizens of India?

Which one of the following is a human right as well as a fundamental right under the Constitution of India?

Which of the following Article is called the "Heart and Soul" of the Indian Constitution?

In which article of the constitution 'Equal Protection of Law' is provided?