करने पर

on doing

→ करना
phrase Rare #12,317
on doing करने पर combines the infinitive करने with पर. Depending on the surrounding words, it can also mean “after doing,” “for doing,” or appear in expressions meaning “to do.”
HI: काम पूरा करने पर मुझे बताना।
EN: Tell me when you’ve finished the work.