Income tax on living allowance when individual is NRI?

Question

what would be the income tax on allowance received by an individual when he is deputed abroad by a company and is under the definition of a non resident

Answer 1

It's considered an expense. Ignore it.

Answer 2

No it is not taxable. For example visitir from India are paid the living allowance. This not taxed in US. It is considered as expense reimbursement In India

Answer 3

If the said allowance is spent outside India it is not taxable.
However, in case the allowance is brought back to India; it can be a debatable issue.