To be eligible for the Post Graduate Diploma (PGD) degree at Bipradas Pal Chowdhury Institute of Technology, Nadia, candidates must have a Bachelor's degree in a relevant field from a recognized university. Additionally, applicants must have a minimum aggregate score of 50% in their undergraduate studies. Some programs may require candidates to have a valid GATE score or relevant work experience in the field. It is also important for candidates to meet any specific eligibility criteria set by the institute for the particular PGD program they are interested in pursuing.