He developed RapiDiss Wafer Technology as an innovative way to provide effective anti-retroviral (ARV) drug therapy to children afflicted with HIV/AIDS. He developed the world's fastest dissolving matrix for the onset of rapid drug action in the human body, a neural device for therapeutic intervention in spinal cord injury and novel wound healing technologies. He also came up with his own molecular modelling paradigms called PEiGOR Theory - Pillay's Electro-influenced Geometrical Organization-Reorganization. This theory was published in the International Journal of Pharmaceutics.[6][7][5][3]