இந்தியா Federal country.
அதனால law-making bodies இரண்டு:
1. Parliament (Union level)
2. State Legislatures (State level)
Constitution Schedule 7-ல் subjects divide பண்ணிருக்கு:
- Union List (Defence, Foreign Affairs, Railways…)
- State List (Police, Agriculture, Public order…)
- Concurrent List (Education, Forest, Marriage laws…)
இதனால Parliament & State Legislature இரண்டுக்கும் தனி power zones.