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Soil is naturally available material used for construction all over the world. When this material available in form of natural slope can cause landslide. Purpose of this study is to understand behavior of different causal factor of landslide at Himachal Pradesh and then suggest some remedial measure. To fulfill this, aim five-year data of precipitation for every district is collected from metrological department and analyzed. Data of earthquake activities is also collected. Work done by different author in this area is analyzed thoroughly. It is found that the change in climatic conditions such as increase in precipitation over years, earthquakes and anthropogenic interference has increased the landslide susceptibility of area. Remedial measure suggested as use of landslide susceptibility zonation map future land use pattern, use of advance technology like soil nail and gabion wall and use of numerical modeling to analyze slope stability.

A study of landslides was carried out around Gangtok, the capital city of Sikkim. Apart from a general survey of the area, detailed investigations were made at Chanmari and Tathangchen as well as along the National Highway 31A. Among various landslides, rockslides predominate and they fail mainly along the foliation planes dipping parallel to the hillside. For example, the Burdang Landslide and Tathangchen Landslide are basically rockslides on schist or phyllite. To monitor the ground movement at the Chanmari Landslide, six control points were set along the existing drainage channel. The movement of the points is recorded twice a month. Also, four piezometers are se t above the landslide scarp to measure the pore water pressure. A similar system with four control points and two piezometers is also established along the main road at the Chanmari Village. As rainfall is the main triggering factor, control of surface and subsurface runoff is the most important protection measure. The recommended mitigation measures include the construction of drains and retaining walls. It is also recommended to enforce the Government Building Regulations in the landslide-prone areas.

Rising Incidents of landslide at district Mandi is issue of concern in Himachal Pradesh. Every year many people losses their life and property in these landslide event. This study is conducted with aim to preparation of landslide susceptibility zonation map of district Mandi using method of frequency ratio. Causative factor of landslide involved in preparation of Landslide susceptibility zonation map is Lithology, Slope, Drainage density, Aspect and Land use land cover. Slope, Drainage density, Aspect map are extracted through digital elevation model. Source of Digital elevation model used here is based on SRTM data whereas lithology map is based on data of geological survey of India. Land use land cover map is extracted by images of Landsat 8 satellite. Total of 52 existing landslides are used to model final map. LSZ map show 40.42% area is falling under medium susceptibility class, 34.5 % under low and 25.07% is under high susceptibility class which cover tehsils Mandi, Chachyot, Thunag and some part of Padhar, Aut and Bali Chowki. Further to validate these result areas under curve (AUC) method is use which give prediction rate of 76.06%.