Hi Krishnapriya,

On 89 marks in TSICET your rank will be somewhere around 4200 to 4900. Based on this, your probable colleges are: 

• Sri Krishnadevaraya University
• Satavahana University
• Sri Vidyaniketan Institute of Management
• Andhra Loyola Institute of Engineering And Tech Vijayawada
• Sri Krishnadevaraya University Ananthapur
• Stanley College of Engineering & Technology for Women
• Vignans Institute of Information Technology
• CMR College of Engineering & Technology  
• Krishna University Machilipatnam
• Vidya Jyothi Inst Of Tech
• Telangana University
• Vardhaman College of Engineering
• Vishwaviswani Institute of Syst. & Management
• Methodist College of Engineering & Technology
• Malla Reddy Engineering College 

Hope this helps. All the best.