To be eligible for the M.Phil degree program at The Karnataka Theological Research Institute in Mangalore, candidates must have a Master's degree in Theology or a related field from a recognized university. Additionally, applicants must have a minimum of 55% aggregate marks in their postgraduate studies. Candidates will also need to pass an entrance exam and interview conducted by the institute to assess their knowledge and research skills. Strong writing and analytical skills, as well as a passion for theological research, are essential for successful completion of the program.