Does having a different religion affect social relationship of people in India?

Different religion will not affect social relationship, but difference in understanding and tolerance based on their of religion by respective religious followers may affect social relationship. For instance in India, outside religions grown up with little resistance. When the social relationship started disturbing? The answer is when the followers of those migrated religion started atrocities and attack on original civilisation the social relationship also got disturbed.

I have not watched the film. But it should not affect. That is the main principle behind "Hindutva is Rashtriyatva". Ideal period and event when we expressed our unity was 1857 war.

no and yes depends on the nature so better you ask family members

yes

yes it affects sometimes

only if u judge people than the person can't love them ,