also since u are a background of chemistry....u have to start with scratch...for accounts taxation....so kindly opt for another diploma course which can help u....
Why do u want to do CA,the only distinguishing feature in this course is CA practice.if you want to do because of this,then yes you can plan and go ahead.But there is serious commitment needed to crack it,further you have choose between Articleship and your job where in ur stipend will be much lower than ur salary as asst professor.