No.chances are nil as closing rank is around 23k. I Would suggest you to go for state councelling.Or else you have the potential.work hard for one more year and you will get some good govt. College. Also mbbs frm private college can not earn you the respect you deserve

Hello,Bibeka

You can use the college predictor of Careers360 to know about the best colleges which you can opt for based on your All India Rank in your specified category.Youcan contact us for further details. 
https://medicine.careers360.com/neet-college-predictor.

You might get a chance In KMC Manipal based on your marks.

Hope this helps.

Best of luck.

Hello Bibeka

The cut-off rank for KMC Mangalore in All India Quota Counselling for 2017 was AIQR 491574 after Round 2(not after Mop Up Round). In order to secure an admission, you must get atleast 510-520.
More than worrying about marks, I suggest that you focus on the preparation for the exam. Check out this link for a few tips: 
https://www.careers360.com/question-im-in-12th-i-want-to-score-in-neet-but-i-havent-proper-knowledge-and-books-too-what-should-i-dohow-can-i-get-neet-related-pre-yr-paper?icn=question-title-details&ici=topic-detail-page

Thank you

Hello

According to your score in NEET 2019 which is  539there  are decent chances that you will get into your desired college below i will share you  link where you can predict which college you can get into according to your marks 

https://medicine.careers360.com/neet-college-predictor?utm_source=google-search&utm_medium=paid&utm_campaign=neet-clgpd