Hello Aspirant,

The KCET rank will be calculated by taking 50% of both broad marks and   KCET marks.

Don't be demotivated, you have secure a decent rank. give more effort in your study.

According to this score your rank will be around 10,000 to 20,000 . This is the expected rank.

You can go through the link to get detailed information about previous year KCET marks vs rank :

https://engineering.careers360.com/articles/kcet-marks-vs-rank

Hope this information will help you.

Best wishes!