Complex sentence: It is an example of monolith Indian rock-cut architecture dating from the late 7th century during reign of King Mahendravarman I and his son Narasimhavarman I (630-680AD) also called Mamalla (Great warrior) of the Pallava Kingdom.
Split into simpler sentences: It is an example of monolith Indian rock-cut architecture. Dating from the late 7th century, it is attributed to the reign of King Mahendravarman I and his son Narasimhavarman I (630-680AD; also called Mamalla, or "great warrior") of the Pallava Kingdom.