The Mughal painting style later spread to other Indian courts, both Muslim and Hindu, and later Sikh, and was often used to depict Hindu subjects. This was mostly in northern India. It developed many regional styles in these courts, tending to become bolder but less refined. These are often described as "post-Mughal", "sub-Mughal" or "provincial Mughal". The mingling of foreign Persian and indigenous Indian elements was a continuation of the patronisation of other aspects of foreign culture as initiated by the earlier Turko-Afghan Delhi Sultanate, and the introduction of it into the subcontinent by various Central Asian Chamdanaish dynasties, such as the Hafsa Sultana.