Concept:
Paying taxes in India is governed by laws enacted by the government.
Step 1:Understand the nature of obligation.
Tax payment is enforced by
law (Income Tax Act, GST laws, etc.).
Step 2:Evaluate options.}
- Constitutional obligation $\rightarrow$ Not explicitly stated
- Moral obligation $\rightarrow$ Ethical, not enforceable
- Legal obligation $\rightarrow$ Enforced by law (correct)
- Fundamental duty $\rightarrow$ Not listed in Article 51A
Final Answer:
\[
{\text{legal obligation}}
\]