Which of the following is correct in the principles given in Part-4 of the Constitution of India - 1 - Equal pay for equal work 2 - Uniform civil civil code 3 - Small family norms 4 - Education in mother tongue at the primary level

• A. 1, 2 और 3
• B. 1 और 2
• C. 2 और 3
• D. 1, 2 और 4