Hi Prashant,

On 80 marks in TSICET 2019, your expected rank will be somewhere around 9200 to 10800. Based on this and since you haven't mentioned your category, I am assuming that you are an OC category student, your probable colleges are:

• Gudlavalleru Engineering College
• Avanthi Degree & PG College
• Vishwa Vishwani School Of Business
• St.Martins Institute of Business Management
• Pydah College of Engineering & Technology
• TKR Institute of Management & Science
• Lal Bahadur College (PG Centre)
• KBN (Kakaraparti Bhavanarayana) College
• Marri Laxman Reddy Inst Of Tech And Mngt
• Chaitanya PG College
• Vaageshwari College of Engineering
• Auroras PG College
• Srinivasa Ramunujan Institute of Technology
• Swami Vivekananda Instituteof Technology (SVIT)
• DRK College of Engineering & Technology
• Princeton PG College of Information Technology
• DVR PG Institute Of Management Studies & Computer Applications
• Aditya College of Engineering And Technology
• Institute of Aeronautical Engineering
• Nishitha PG College 

Hope this helps. All the best.