High Speed Steel is not a type of steel. It is a designation given to any tool that is capable of cutting into or through steel at high speed. A drill bit for example. Refer to the question "What is the difference between mild steel and high speed steel" for a more thorough answer.

HSS-E high speed steel cobalt for high performance cutting tools.

What rupees of per kg high speed steel

High speed steel is made from different steel alloys. Depending on the application and budget the alloy is made from iron and different mixes of carbon, tungsten, cobalt, chromium, molybdenum, and vanadium.

High speed steel is a general name for high alloy steels that retain their hardness at very high temperatures and are used for metal-cutting tools