NEET UG: Marks 539 UR Delhi. Can she get a college in delhi for MBBS admission?

Under State Quota, in 2018, 562 marks secured a seat in North Delhi Muncipal Corporation Government Medical College. That was the cut off. With this scorw, a seat in a Government Medical College is difficult. Having said that, cut offs change every year and are dependant on various factors like no.of seats availble, no.of candidates appearing for the exam, top NEET score and difficulty of the exam. Go through this link for the cut offs of various Colleges of Delhi:

https://medicine.careers360.com/articles/neet-cutoff-du

Hey Srabasti !
Although 539 is actually quite a great score, but the competitive nature in Delhi's medical college for admission procedure is quite high.
Consequently, even with this score, it would turn out to be quite difficult for her to gain a seat in any of the medical colleges in Delhi through UR Category.
The last one to get in through the gates of NDMC Medical College, New Delhi had the score of 562 from the UR Category which actually stands quite wide apart from your score, considering the paper to be on an easier side this year, the cutoff might even go above a bit.

You can go through the cutoff of various medical colleges in New Delhi as of the year 2018.

https://www.google.com/amp/s/medicine.careers360.com/articles/neet-cutoff-du

However, I would like to tell you that 539 is a score which wouldn't let one deprived of a seat.

If it's not Delhi, go for AIQ Counselling, she is bound to secure a seat in any one of the medical colleges all over India.
Hope this helps.
All the Best !