Complex sentence: Bhadrachalm Revenue Division was part of East Godavari District up to 1959, after which it was merged into Khammam district.Ashwaraopet are also part of West Godavari District up to 1959.
Split into simpler sentences: Bhadrachalm Revenue Division was part of East Godavari District up to 1959, after which it was merged into Khammam district. And Ashwaraopet are also part of West Godavari District up to 1959.