Dear Student ,

After graduation , you have to appear for UPSC CSE exam to become a collector .Every year UPSC releases the notification in their website to apply for this exam .

So, study hard and keep aware about the latest updates by visiting regularly in UPSC official portal.

To know more about this exam , you may refer to this link also :

https://competition.careers360.com/exams/upsc-civil-services-exam

Hope this helps !

Best wishes !!