What is the difference between Kuchipudi and Kathak dance forms of India?

Though both are Indian classical dance forms, the difference lies in their place of origin the associated music and mudras ( body movement).
Kuchipudi originated in South Indian region of Andhra, is performed on Carnatic music, dance movement can have bending the knee.
Kathak originated in North India regions of UP, Bihar, is performed on Gharana music, dance movement is fast involves lot of rotations but the knee is not bend