Sikkim, the tinniest but erudite state housed in north east Himalayas of India, which has diverse cultural, religion and ethnic identity. The organic state with hilly steep terrain, Sikkim has diverse economy stressing on agriculture, hydropower, Ayurveda and tourism. The Gnathang valley is nestled in east Sikkim in a glacial snow-covered canopy with many ethnobotanical flora and fauna, but with a little knowledge of regular geomorphological and socioeconomical changes during this decade. The geoinformatics and change detection studies are conducted using satellite imagery, Remote Sensing data by constructing geographical and geomorphological maps like slope, aspect, elevation maps, land use changes, of the Sikkim state in recent years. But the socioeconomic survey is directed for the collection of primary data by questionnaire survey and analysing the data for submissions and recommendations. Presently, the residents of the Sikkim state are financially backward though educationally and heritage wise strong. Tourism, organic agriculture, surge in Micro, Small, and Medium Enterprises (MSME) are focusing areas for augmenting societal and economic values of Sikkim. The Government have stressed upon investment in countryside setup like roads, energy, electrification, communication, diversifying rural employment and improving rural-urban. The east Sikkim is among the leading states to inculcate SDG 10 (Reduced inequalities), SDG 13 (Climate change impacts), SDG 3 (Good health and wellbeing) and quality education (SDG 4) but the sectors need strengthening are Zero poverty (SDG 1), Food for all (SDG 2), Strengthening women power (SDG 5) and Life on land (SDG 15).
