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.

As your rank is 21000 in Ts eamcet exam.your rank would lies in between 79 to 70  . You can check out the same at our site. Link is given below..

https://engineering.careers360.com/articles/ts-eamcet-marks-vs-rank/amp

According to your rank list of colleges are given below..

• Malla Reddy College of Engineering, Dhulapally : B.Tech Computer Science and Engineering last year closing rank 21883
• CMR Technical Campus, Hyderabad : B.Tech in Data science last year closing rank 23712
• Teegala Krishna Reddy Engineering College, Hyderabad :  B.Tech Computer Science and Engineering last year closing rank 25999

You can also use Ts Eamcet college predictor tool to know the list of college, you have chances of getting admission according to your score, category, state and rank. Link is given below.

Hope it's helpful thank you