I am from financially deprieved family what colleges in Karnataka is best for me

See depending on the subject, its better to choose a college. Now if you want to get a affordable college then I would recommend you to go for Government colleges as the fees are much low in government colleges compared to that of Private colleges. So I would always recommend you to go for government colleges if you want to have a affordable option.

Now as you have tagged the arts college in your question, I am recommending you some of the good arts colleges in Karnataka:

Government Arts College, Bangalore

Maharaja's College, Mysore

Karnatak Arts College, Dharwad

Government First Grade College, Yelahanka

Government First Grade College, Vijayanagar

Smt VHD Central Institute of Home Science College, Bangalore

For more colleges you may visit the link below:

https://university.careers360.com/colleges/list-of-arts-degree-colleges-in-karnataka?ownership=Public/Government

I hope this answer helps. All the very best for your future endeavors!