Hello,
.
Can You elaborate your question, so that we can give you brief details.
BDS stands for Bachelor of Dental Surgery, BDS itself is a undergraduate course, which is  one of the most desirable course. It's a course of 5 years where Admissions are done on the marks secured in NEET examinination. Refer the link where you can get full details about BDS course
https://medicine.careers360.com/articles/bds

If you question is something else. Please do ask for further details. Thank you