hello aspirant,

as per your jee main score as you have mentioned is 57 percentile, you cannot get tier 1 colleges at this score and it really difficult to get computer science and it.

now there are many colleges in maharastra who accepts mhtcet score to get admission in engineering.

you can use career360 college predictor to know your probable college

https://www.careers360.com/mht-cet-college-predictor