Discovery of anomalies is the serious issue looking by numerous individuals of businesses. It incorporates organize interruption and restorative sciences. A few fields like Astronomy and research likewise confronting challenges in finding viable oddity discovery. They have incorporated a few methods to take care of such issues. Grouping is the method which has been utilized by numerous individuals of the scientists. The most regularly utilized calculation to perform clustering is DBSCAN. It is utilized in data mining and Machine learning. It is termed as Density based spatial clustering of use with commotion or noise. On account of its high multifaceted nature in calculation, it must be diminished as far as dimensionality of focused data points. PCA is a strategy utilized at that point to decrease dimensionality and created another informational collection which is again experience DBSCAN. Here by the idea of the test outcomes was exact there by such a system can be balanced. The blend of PCA and DBSCAN was intensely affirmed and resultant assessment shows that a speedup of 25% was improved while the quality was 80% lessening the dimensionality of enlightening file of half.