Tax Assistant job is group C post comes under Central Board of Direct Taxes ( CBDT ). This job is vacancy is filled through SSC CGL exam every year.
A tax assistant can be promoted to the senior tax assistant post in 3 years.
After this promotion he can become Deputy office superintendent or inspector in next 3 years after passing departmental exams.
Future in next 10-12 years a tax assistant can become a Income Tax Office & Assistant commissioner which is A grade officer job . This A grade post is directly filled by UPSC CSE exam.
