You will know it if you are an Indian. Because, India contains many religions. Some treat them as a sin but some treats them well good.

I will say 'No' because I'm an Indian. Religion is something related to god and nothing else. You can't use religion in all places. It's their personal. Banning a certain religion is like separating men and women from a country.

Uniform should be made compulsory and it should not be left under the hands of the students. Uniform is used to unite the low caste and high caste peoples. If it is left under the hands of students, some students(especially low caste) may have an inferiority complex. Everyone must be treated equally. So uniform is compulsory.