Hi, since your sister have got 22K rank in TS EAMCET so on behalf of the rank she have got below I'm mentioning the colleges she can get into;

• Mahatma Gandhi Institute of Technology, Hyderabad
• Vardaman College of Engineering, Hyderabad
• Kakatiya Institute of Technology and Science, Warangal
• BV Raju Institute of Technology, Narsapur
• Vidya Jyoti Institute of Technology, Hyderabad
• CMR College of engineering and Technology, Hyderabad
• Anurag Group of Institutions, Ghatkesar
• Malla Reddy Engineering College, Secunderabad
• MNR College of Engineering and Technology, Sangareddy

Etc.

Moreover you can also visit on the below link to predict your college by your own on behalf of the the rank you have got(link mentioned below):-

Good Luck.