In which of the following categories of cases the Supreme Court of India has the power to decide Reference made by the President on a question of law or fact 1. A case involving interpretation of the constitution 2. A case involving substantial question of law of general importance 3. A case where the constitutionally of any law has been challenged Which of the following statements is/are correct?

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