Hello Shreya

You haven't mentioned your category hence considering you as a general category candidate , to get mbbs seat in government college you must score 620 + marks .

At 500 marks you may get private college , which college yph eill get depends upon neet cut off 2024. Cut off changes every year abc depends upon number of factors such as students appeared,  difficulty level of exam,  normalisation process,  seat intake and previous year's cut off.

Top private colleges are

CMC vellore

Madras medical college

Dr D Y patil medical institute ,pune

Sri Ramchandra medical college,  Chennai

SOA university

SRM Institute,  kattankukathur

For rank prediction you may visit the link given below

https://medicine.careers360.com/neet-rank-predictor

For college prediction you may follow the link given below

https://medicine.careers360.com/neet-college-predictor