Which one is correct way to say? - I am working in tax...

English as a Second Language English Vocabulary, Grammar and Idioms
1

I am working for tax department, Central Government?
Or
I am working in tax department, Central Government?

2

Hi,

I would write:

I am working for/in the tax department for Central Government.
or
I am working in/for the Central Government tax department.

Alan

3

Thank you sir.