I am Telangana ST reservation student and have got 611 rank in JEE 2019, in which NITs can I get a seat as per 2019?

Please visit this link. This is a college predictor and I hope this will help you to choose the right college- https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor&ved=2ahUKEwie-7mvrITiAhWz73MBHYuID8oQFjAAegQIAxAB&usg=AOvVaw1N9BzFt

With 611 rank, you can get admission in any of the NITs. I suggest you to go with NIT Warangal as it's in your home state and high chances for you to get a seat.