 In 1968, Sadiq moved to Lahore, West-Pakistan where he joined the Pakistan Atomic Energy Commission's Lahore Atomic Center (LAC).There, under Ishfaq Ahmad, Sadiq carefully studied and carried out the experiments on quantum electrodynamics, structure constant of electrons, electromagnetic radiation, and the Maxwell's equations in the field of electrodynamics.In the Pakistan Atomic Energy Commission (PAEC), Abdullah Sadiq, with among other Pakistani nuclear physicists, worked in a Nuclear Physics Division (NPD) at PINSTECH Department.