Greetings!

If you are expecting 55 Marks then your rank will lie somewhere in between 1174 and 1792, these numbers are according to previous years data, so I can't be certain about a particular rank.

For list of colleges you can visit:

https://engineering.careers360.com/colleges/list-of-engineering-colleges-in-india-accepting-karnataka-pgcet

https://engineering.careers360.com/colleges/list-of-engineering-colleges-in-india-accepting-ap-pgecet

To predict your college with the given rank check cutoff:

https://engineering.careers360.com/articles/karnataka-pgcet-cutoff/amp

https://engineering.careers360.com/articles/ts-pgecet-cutoff

I hope this was helpful.  Thank you!