Person A (male) is OBC in Jharkhand. Person B (Female) is General category in west Bengal. A and B are having same caste.
Ans : Possible there is separate list of each caste.
They married around 30 years ago. Now the caste is included in SC category in west Bengal a couple of years back.
Ans B (Female) will get such certificate.
The question is:
1. What will be the caste of B? Can she get SC certificate?
Ans : The same cast in which she was borne (not marital caste) now the cast is notified as SC (as you said) she can get SC certificate.
2. What will be the caste of Children C (male) and D (female)?
Ans : Same as of father (not mother)