Complex sentence: The winner of Miss Purwanchal get a direct entry to the national pageant of Miss Nepal as top 10 semi finalist and if the winner is unable to participate then one of the runners up will compete inplace of the winner.
Split into simpler sentences: The winner of Miss Purwanchal receives a direct entry to the national pageant of Miss Nepal as a top-10 semi-finalist. If the winner is unable to participate then one of the runners up will compete in place of the winner.