Need help pls

In postal coaching you have to directly contact to HO in Kolkata and you cant go to regional office for any probs like you do in CA,

Further Postal you have to send postal papers to institute to get eligibility cert 4 appearing in exam , in oral you can appear and clear test at regional branches and get the same,

Lastly u will get coaching and some material from Reg. ofc n u will get only module in case of postal

Postal is a bit cheap , oral is 2-5 thousand costly