Are these eases instances of viblation of the Right to Freedom?

Are these eases instances of viblation of the Right to Freedom? If yes, which constitutional provision does each violate?
(a) The Government of India banned Salman Rushdie’s book‘the Satanic Verses’on the ground that it was disrespectful to Prophet Muhammed and was likely to hurt the feelings of the Muslim community.
(b) Every film has to be approved by the Censor Board of the Government before it can be Shown to the public. But, there is no such restriction if the same story is published in a book or a magazine.
© The government is considering a proposal that there will be industrial zones or sectors of the economy, where workers will hot be allowed to form unions or go on strike.
(d) City administration has imposed a bah on use of public microphones after 10 p.m. in view of the approaching secondary school examinations.

(a) Yes, thisf violates the Right to Freedom of Thought and Expression.
(b) Yes, this violates the Right to Freedom of Thought and Expression.
© Yes, this violates the Right to Freedom to form associations and unions.
(d) No, this is not a violation of the Right to Freedom because the Constitution restricts freedom to a group of people (who are likely to use public microphones after 10 p.m.) as long as that freedom does not affect or hamper freedom of anyone else. Also the ban is imposed in the larger interests of the people.