Ample of evidences are drawn out to support the argument “Conservation and development" that has to go hand in hand to make it more sustainable. Particularly to say, conservation with meaningful people participation can only ensure better achievement in the long-term goal of development without deteriorating the natural resources. This approach is apparently justified by featured contribution of Nepalese protected areas in the local, regional and national conservation cum development campaigns. Ecotourism in Protected area is an up-to-the minute program in most Protected Areas of Nepal and can potentially open up new vistas when it comes to the economic harmony for all stakeholders. Spatial occurrence of tourism products and socioeconomic context of local people tends to have vital role in the equal distribution of benefits among local people. Much more efforts should be concentrated to keep it up viable in long run along with periodic review of conservation policies and monitoring of nature-society nexus should be together Which could contribute in the rational decision making process in every hierarchies.