To be eligible for the BDS degree at Chennai Dental Research Foundation in Chennai, candidates must have completed their 10+2 education with a minimum of 50% marks in Physics, Chemistry, and Biology. They must also have qualified in the National Eligibility cum Entrance Test (NEET) conducted by the National Testing Agency (NTA). Additionally, candidates must meet the age criteria set by the Dental Council of India. It is also recommended that candidates have a strong interest in the field of dentistry and possess good communication skills.