Problem cascading

Name of Municipality (single response)

A
B

Ward Number (Single response)

1 Display if Municipality is A and B
2 Display if Municipality is A and B
3 Display if Municipality is A and B
4 Display if Municipality is A and B
5 Display if Municipality is B

Block

B1 Display if ward is 1,2,5 and Municipality A or B
B2 Display if Ward is 1,2 5 and Municipality B only
B3 Display if ward is 1,3,4, and municipality A or B

Welcome back to the community, @Dibesh! Maybe this post discussed previously should help you solve your issue:

And this post too …