Mural painting is fundamentally distinct from all other types of pictorial art. Painting is an ancient culture. Kerala mural painting is a well-known aspect of Hindu mythology in Kerala. Chitrasutra is a part of the Vishnu dharmottara purana, a book written in Sanskrit around 1500 years ago. Mural paintings abound in ancient temples and palaces in Kerala, India, dating mostly from the 9th to 12th centuries, when this form of art enjoyed royal patronage. Kerala murals are unrivalled in their subtlety, sharpness, and ethereal beauty. The murals in the Thirunandikkara cave temple are the oldest in Kerala. The following paper discusses the entire process of kerala mural painting, how the work is done, their origin, culture, and other aspects.