To be eligible for the Diploma degree program at S Nijalingappa Institute of Dental Sciences and Research in Gulbarga, candidates must have completed their 10+2 education with a minimum of 50% aggregate marks in Physics, Chemistry, and Biology from a recognized board. Additionally, candidates must have also completed a Bachelor's degree in Dental Science from a recognized institution. It is also mandatory for candidates to have a valid score in the relevant entrance exam conducted by the institute or any other recognized authority. Meeting these eligibility criteria will qualify candidates for admission to the Diploma degree program at S Nijalingappa Institute of Dental Sciences and Research.