Recently, Nadir and Occultation for Mars Discovery (NOMAD) ultraviolet visible spectrometer instrument on board the European Space Agency's ExoMars Trace Gas Orbiter (TGO) simultaneously measured limb emission intensities both [OI] 2972 5577 {\AA} (green) emissions in dayside of Martian upper atmosphere. We aim to explore photochemistry all these forbidden atomic oxygen ([OI] 2972, 5577, 6300, ...