Why do women wear burqas?

According to Indian Muslim tradition, every country has different religious accepts. Wearing a burqa is a way to express their faith and devotion.
The main reason why burqas exist is for the sake of security and practice; women were burqas' to hide their physical body groin from men. It's her way to gift herself to her husband by showing her physical body to only him.

Questions like women have the freedom to remove burqa; if she doesn't like it, she can remove it.
When doing dating, it is not preferred to be burqa.

If she goes out with another religious person, she can remove the burqa. If we burqa while going out with other religions, it disrespects other women and religions.
Muslim girls can love and marry guys of other religions, but they should remove burqa.
If you do so, you won't have any problems.

So learn and become aware that burqa is our tradition. if don't want to were its her freedom.

Don't believe anything blindly. A lot of hateful things were created to spread hate, so beware of that.