We experimented the functionalization of multiwalled carbon nanotubes by simple and laboratory friendly reaction path. The exercise performed by hypothesizing the enhancement in the activation of Multiwalled Carbon nanotubes (MWCNTs) walls which subsequently were used for the functionalization of active pharmaceutical ingredient (API). The tailoring of MWCNTs was achieved by suspending the MWCNTs in acidic mixture of nitric acid and sulphuric acid (HNO3/H2SO4) in volume proportionate. The reaction mixture was stirred manually followed by ultra-sonication and magnetic stirring for specific time interval to achieve the desired end product. After achieving promising analytical data, the functionalised MWCNTs (f-MWCNTs) were doped with API in alkaline medium. The obtained solids were further characterised by key analytical techniques like FTIR and Powder XRD (p-XRD).