The useful steps to prevent soil erosion are Afforestation, Contour Ploughing, Prohibition of shifting cultivation, Flood control, Restoration of long fallow, reclamation of alkaline and saline soil.
An avalanche is a sudden flow of snow down a slope, such as a mountainside. The first statement is correct because Himalayan range experiences more avalanches than any other place on Earth. Second statement is also correct because snowmobile leads to to avalanches if slab is not well anchored to the ground, leading to severe avalanche conditions.
Kindly note that the current break up of instaled capacity is hydro (3804 MW), wind power (21136 MW), Bio mass power / co-generation (4014 MW), Waste to power (107 MW) and Solar power (2132 MW). Further, notable fact is that wind power output alone exceeds nuclear-generated electricity in India.
EXAMIANS