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A number of cosmological observations over the last decades have provided us compelling evidence that the ordinary hadronic matter constitutes only around 5 percent of the Universe. Rest 95% can be attributed to the two unknown forms of energy, viz. the Dark Matter and Dark Energy. Formulating a successful theory for the composition of these mysterious constituents as well as experimental detection of the proposed constituent particles continues to be one of the most outstanding problems in the present day high energy physics. In the present article, beginning with the experimental evidence for the existence of dark matter and dark energy, a brief overview of various theoretical speculations for their composition would be provided. Further, experimental status of some of the ongoing and future searches for dark matter and dark energy components would also be briefly discussed.
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