To be eligible for a Diploma degree at Netaji Subhas Institute of Polytechnic, Patna, candidates must have completed their 10th standard or equivalent examination from a recognized board. Additionally, they must have obtained a minimum aggregate score of 50% in their qualifying examination. Candidates are also required to appear for the entrance examination conducted by the institute and secure a qualifying score. Meeting these eligibility criteria will enable students to pursue a Diploma degree in their chosen field of study at Netaji Subhas Institute of Polytechnic, Patna.