The present disclosure is in relation to the field of nanotechnology and cancer therapeutics. In particular the present disclosure relates to fluorescent platinum based compounds. The disclosure further relates to synthesis of said fluorescent platinum based compounds nanoparticles and compositions comprising said fluorescent platinum based compounds/nanoparticles. The disclosure also relates to methods of managing cancer by the fluorescence changes between aforesaid platinum based compounds and corresponding free ligands nanoparticles and compositions.