Arunachal Pradesh witnessed a revolution in the communication sector in the last six years with the improvement of the road, air, and digital connectivity, Chief Minister Pema Khandu said in the assembly on Thursday. Participating in the discussion on the motion of thanks to the governor's address, Khandu said connectivity was a major challenge for the state for decades. The challenges were minimized to a certain extent due to the consistent support of Prime Minister Narendra Modi, he said.