Hii Mohammed!
The Pondicherry University will release the registration forms for admissions from third week of March, 2020. The process will end in second week of May, 2020. The entrance exam will be held in second week of June, 2020. The dates are not fixed yet. So you need to keep an eye on the official website for dates. For more details refer the following link -
https://university.careers360.com/articles/pondicherry-university-admission/amp
Hope this helps.
Good luck!

Dear Mohammed,

The Central University offeres Post Graduate and Doctorate level Courses in different streams but in your query , you have not mentioned  for which course  you want to know regarding date of admission.Admission process  will start from March last week and and closing date is 1st week of  may. In the month of june, entrance exam will be conducted.

Do visit the official webpage.

Thanks