Hey Gautam, Congratulations on scoring 594 marks in NEET. These marks are very good for you and it will help you a lot while taking admission in good colleges. You will be able to get admission in government colleges very easily as your marks and even your rank is quite good. I would suggest you check for government colleges in your state as you can get a seat in reserved quota too. You can get admission in even good colleges in Delhi. 

 I would personally suggest you to use the NEET Predictor and explore various colleges according to your category and home state quota and choose the best one for you as this college will be your future lifeline.

https://medicine.careers360.com/neet-college-predictor?icn=neet-clgpd_landing-page&ici=prediction-section_c360-home