And verification, these activities are done during the different development stages and are done by the developers.
व्हेरिफिकेशन ही क्रिया डेव्हलपमेंटच्या वेगवेगळ्या टप्प्यात केली जाते आणि वेगवेगळ्या डेव्हलपर द्वारे केली जाते.