Caste is determined by birth- a child is "born into" the caste of his parents. Caste is never a matter of choice. One can never change one's caste, leave it, or choose not to join it, although there are instances where a paerson maybe expelled from their caste.
Example of violation of consumers right to choose are as follows When a consumer trying to choose between two products say rechargeable fan and an electric fan if the trader forces a particular product on the consumer is said to be violating the consumer right to choose.