In India, cultural traditions are typically regarded as either (Northern) and (Southern).

Hindustani and Carnatic

Explanation:

solution

in Indian subcontinent, Indian music is the classical music

and India have 2 major tradition are

North Indian and South Indian

classical music in North India tradition is called Hindustani music traditions

classical music in South Indian  is called Carnatic music traditions

and in Islamic rule period of  Indian subcontinent it divide traditions into these 2 form Hindustani and Carnatic

so correct answer is Hindustani and Carnatic

the density would be a smaller number.

would it be plagiarism to copy and paste off of here? ?