Actually in forst round of counselling you wouldn't get any seat in thermal engg. As per your score and previous year cutoff, the colleges you get in third or fourth/mop up round are:-

National Institute of Technology Agartala -- Thermal Science & Engineering

National Institute of Technology Manipur -- Thermal & Fluids Engineering

National Institute of Technology Meghalaya-- Fluids & Thermal Engineering

National Institute of Technology Silchar -- Thermal Engineering

To know more about your chances of getting other colleges check out the PSU/college predictor link below: