Hello Aspirant,

Yes,Of course you can easily get a in preferred college as your rank is 8142 and also you are from st category that would help you to get admission easily.For predictions of colleges you can refer the last cutoffs of different colleges and get knowledge or you can try the career 360 college prediction tool and find which colleges you would get easily.

https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer