Which of the following statements are true/false?
1. Regulation of labour and safety in mines and oil-fields are item number 55 of the union list.
2. Article 20 of the Indian Constitution allows people to practice any profession, or to carry on any occupation, trade or business.
3. Industrial disputes concerning Union employees are item number 61 of the union list.
4. Article 11 of the Indian constitution deals with equality before law and prohibits any discrimination on grounds of religion, race, caste, sex or place of birth.

A. 1, 2, 3 and 4 are true

B. 1, 3 are true and 2, 4 are false

C. 2, 4 are true and 1, 3 are false

D. 3, 4 are true and 2, 1 are false

Answer: Option B