miscellaneous Income

This income is the one the other than 9kinds of income, (mentioned on prev. blog) such as public pension. I think this contains various incomes in wide range. For example, lecture fee, cryptocurrency etc.

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In case you have income from cryptocurrency transaction (you have employed income as a company worker), this is considered as miscellaneous income. Because this transaction seems to have done in your off duty (not business like). The point of difference between Business and Misc. Income are business like or not.