The correct options are
A Prohibiting a native of Tamil Nadu to settle in Mumbai.
D Refusing education to a student based on his/her caste.
In the earlier days, people had to stick to the occupation decided by their caste. That restriction has been taken away by the Indian Constitution: Citizens of India can now practice any profession, trade, or business without violating laws in the process.
However, one cannot pose as a doctor if you do not have the required education.