Dear Sir,
I am a Diesel Engine Mechanic working on HCV's, LCV Engines Fitted in Generators in India so am I Eligible for Migration as a Motor Mechanic to Australia

Silven, this is ASK ME HELP DESK, it is a question and answer site.

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What is the cost to immigrate to australia for a family of 3

Ask the nearest Australian Embassy or Consulate in your country.Not all Embassy and Consulates have the same criteria to immigration laws.Preference is given to some countries with a weaver agreement or those visa free countries.I guess some Australian embassies accept online visa processing so you will be well informed from your countries embassy.