Purwanchal University convocation (9th convocation) 2075 has not been scheduled yet. 7th convocation was held in Falgun 28 and Falgun 29 2071 (2015 March 14).
We will let you know after Purwanchal university fix the date for convocation 2075.
For more notice go through information provided below. If you know the new date of convocation, you can mention it in the comment section just below. Purwanchal university is located at Biratnagar.