Bandwidth is the ever demanding requirement for high data rate transmission in a communication system. Most of the electromagnetic transmission including mobile, TV, radio, satellite, radio astronomy and radar applications happens in the radio frequency (RF) band. Due to limited spectra or bandwidth in RF range, modern communication requirement pushed technological and research community to utilize the terahertz and sub-terahertz frequency band (30GHz to 10 THz) which is left idle and unusable for microwave radio communication since a long time back, but there are a number of challenges such as absorption due to water vapour, high range of attenuation, increase in dispersion, issues of synchronization and decrement in the received power level at such higher frequencies. This paper reviews the available modern technological developments in the 2D metamaterials, metasurfaces and graphene metasurfaces which have turned the THz frequency band realistic for microwave applications.