Hello Aspirant,

Best colleges in South India for lateral entry B.Tech Mechanical Engineering are-

• Anna University,  Tamil Nadu
• PSG college of Technology,  Coimbatore
• Pondicherry College of Engineering,  Pondicherry
• RV College of Engineering,  Bangalore
• Ramaiah Institute of Technology,  Bangalore
• BMS College of Engineering,  Bengaluru
• PES University,  Bengaluru
• Meenakshi Institute of Technology,  Bengaluru
• New Horizon College of Engineering,  Bengaluru
• Vellore Institute of Technology

I Hope it helps

Thank you

• Manipal University - [MU]
• Jain University - [JU]
• SRM University
• Vellore Institute of Technology - [VIT University]
• P.S.G College of Technology - [PSGCT]
• R V College of Engineering - [RVCE]
• Veer Surendra Sai University of Technology - [VSSUT]