Allen Chandigarh is a sub branch of Allen Kota and is following the same curriculum as of Kota. There is no such difference in study pattern of Allen Kota and Allen Chandigarh. Faculties of Allen Chandigarh are also appointed from Aleen Kota itself and both of these institutions are producing best results in All India Ranking everyyear. If you are thinking to drop then you can choose any among them. Prefer the one which is nearby to your hometown as it will ease your travel.