The remarkable findings of graphene has again led to the renewed interest in two dimensional inorganic system, transition metal dichalcogenides (TMDCs). Its fascinating structural property, with strong in plane bonding and out of plane interactions helps in exfoliating two dimensional layers of single unit cell thickness. Bulk TMDCs has been studied over a decade, but its recent advances in nanoscale fabrication and exfoliation mechanisms, layered samples have shown promising applications in optics and electronics industry. Bulk TMDCs having an indirect band gap changes into layers of direct band gap and are promising candidate for photodetectors, transistors and electroluminescent devices. In this review article I will discuss about the different fabrication techniques, optical properties and its future prospect of MoS2.