Abstract: Ecosystems on earth are frequently disturbed and damaged by natural (such as, tsunami, cyclone, floods, earthquake, wildfire, floods, storms, volcanic eruption, lighting, etc.) and anthropogenic activities. Disturbed or damaged ecosystems always pose great adverse environmental impacts for sustainable development. Therefore, ecological restoration has recently sprouted as a young and emerging branch of ecology to over come this problem, which aims to achieve complete structural,

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... onal and self-maintaining biological integrity following by repairing and manipulating biological, geophysical and chemical frameworks using rehabilitation, enhancement, re-construction or re-creational processes. The present review attempted to draw a brief conceptual overview of ecological restoration – an emerging eco-technology for sustainable environmental conservation with some case studies in order to restore and conserve the damaged ecosystem. The principles of ecological restoration follow the underlying principles of ecosystem functions to reconstruct a facsimile of the natural community. Although many damaged ecosystems in different domains of the world have efficiently been restored by various organizations using ecological restoration process, most damaged ecosystems are still unattended and not restored probably due to lack of initiation of respective organizations and lack of funding supports with ecological, economic and social constraints. Therefore, using the involvement of local communities along with various organizations of ecosystem restoration, the damaged ecosystems can be repaired and conserve by applying the principles of ecological restoration in order to holistic and sustainable development