The present disclosure is in relation to the field of nanotechnology and cancer therapeutics. In particular, the present disclosure relates to carbene compounds, particularly platinum containing carbenes and corresponding nanoparticles thereof. The disclosure further relates to synthesis of said platinum containing carbenes, nanoparticles and compositions comprising said platinum containing carbenes/nanoparticles. The disclosure also relates to methods of managing cancer by employing aforesaid platinum based compounds, nanoparticles and compositions.