<prompt> Kaloo, 40 year old adult man on medication for psychiatric illness for the last 2 weeks, suddenly develops marked rigidity, immobility, fever, fluetuating BP and hea rate. Most likely diagnosis ?AkathisiaParkinsonismMalignant neuroleptic syndromeCatatonic schizophrenia  <response>: Ans. is c i.e., Neuroleptic malignant syndrome 