Salam
Q1 Ans. In Islamic Democracy, every one is free to do but according to the teaching of Quran and Sunnah.One must pass his life according to it, as well as one's every deed is must be for the sake of Allah.

Q2 Ans. In Pakistan, some of the banks works on the Islamic Principles, while others do nothing but the business with-out it, while the judicial laws are some how according to Islamic Principles, while some are early made by the British, that we use them in our constitution till now.

__________________
Keep Looking Don't Settle, Stay Hungry Stay Foolish: (Steve Jobs)