Answer:
e) Rodi Ghar is the place of gurung community where girls and boys of the community get together to sing and dance in the evening.
c) The similarities between them is they all are are the tradition or custom of different ethnic group. They helps to preserve the culture. They also helps to know us about history and culture and also it's values. They are equally important in the society.
The differences between them are:
Bheja is prevalent in the magar community wheras Badghar is prevalent in tharu community and gutthi is prevalent in newar community.
Parma is a practice of giving and taking help especially in in agricultural activities wheras Paincho is the system of giving and taking off something.
Hope this helps you.