How can I start my preparation for UPSC examination....?

Many students prefer coaching as it sets routines, targets and gives practice, but these can be done on your own. Only it require discipline and determination. You can follow below given tips.

Manage your time effectively and be disciplined. Develop a routine!
Do selective reading but be thorugh in those protions
Remember to have a good mix of books and self made notes.
Take mock tests at regular intervals
Start preparations early, its a vast syllabus!
Make short notes and mindmaps on a regular basis!They help your memory.
Reach out to fellow aspirants. Discuss topics!