Pakistan said on Sunday that there was no official communication with India about the opening of the airspace and Islamabad will wait for New Delhi's decision to lift the air restriction on its flights before taking a final call on lifting its airspace ban.

from Times of India https://timesofindia.indiatimes.com/world/pakistan/pak-to-wait-for-indias-decision-to-lift-airspace-ban-before-taking-final-call-official/articleshow/69620349.cms