Hello Akshay,

You can use the following link to get to know about the exact procedure of how to prepare for it.

https://byjus.com/free-ias-prep/prepare-ias-while-doing-engineering

Dear,

Feel good to answer this question.

"With Self Discipline Most Anything is Possible"-Theodore Roosevelt

It is Great  that you are thinking about it in First year. You have enough time to prepare for UPSC

First Develop your Interest.

Prepare Mentally yourself for it.

Improve your Learning Skills.

Know more about UPSC exam, read and watch Success Stories of IAS.

Read about Life after IAS. So that it become your Passion. It become your first

Priority in your life. You start feeling that you are born to become an IAS.

And you can do anything to make this dream true.

First go through Syllabus. Find which areas are of your interest. And start to improve your basics as well as to develop a Friendship with all these.

NCERT books are must have option so start with it.

Develop a Learning, Reading  and Note taking Style.

Use Pencil, Highlighter, A tablet/Phone/Laptop make these a very important part of your study.

Develop Creativity in you. Become an Open Mind. Improve your IQ, EQ and SQ.