Dear aspirant hope you are doing well. It's difficult to predict because cut keep changing every year depends on various factors.

1. No of seat available.

2. Difficulty level of exam.

3. No of student appear in exam.

No, with score 453 mark in neet ug, chances are very low to get a seat in government medical college for  mbbs, but getting Government seat in private medical college have little chances for you. You can check the same at link is given below.

list of medical college in state quota you have chances to get government seat in private medical college are..

• Vydehi Institute of Medical Science and Research Centre, Bangalore
• A.J.Institute of Medical Sciences, Mangalore
• Sri Basaveshwara Medical College and Hospital, Chitradurga
• M.V.J.Medical College and Research Hospital, Channasandra, Bangalore

https://medicine.careers360.com/articles/neet-cutoff-karnataka/amp

Eligibility criteria for neet ug exam.

:--->Minimum age of the candidates should be 17 years as of December 31, 2022...

:--->Candidate should passed the class 12th exam from any recognised brard with physics, chemistry, biology (PCB) or (PCMB) with English is the compulsory subject...

:--->Minimum aggregate marks: General category candidates must have passed the qualifying examination with 45% marks, while for SC/ST/OBC the minimum marks should be 40%..

:--->Reservation policy for pwd (handicap) : 3% of the reservation will be provided to the Person with Disability (PwD) candidates.

Marks wise cut off for neet ug exam is following

For General candidate-> 720-138

For OBC/SC/ST candidate -> 137-108

For Gen PwD candidate -> 137-122

For (OBC /SC / ST ) PwD candidates -> 121-108

To get personalised report of college, according to your neet ug score, rank, category, state. You can use neet ug college predictor link.

https://medicine.careers360.com/neet-college-predictor?utm_source=qna&utm_medium=neet_cp

Knockout course offered by careers 360.

https://learn.careers360.com/knockout-neet-may/

Hope it's helpful for you thank you...