ABSTRACT Computational Musicology is new and emerging field of Data Mining. Raga is the most aspect of Indian Classical Music. It consists of unique set of notes (swara) and Pakad that correspond to a specific pitch. North Indian Classical Music has its root in Vedic ritual chants and has remained relatively untouched. Here, we depict a system that takes audio input file, convert it into sequence of notes and then find its most matching pattern. This pattern resembles with pakad of a raga and there by identifies the raga