Please refer as below for document requested.
1.Your recent photo (x 1)
2.Copy of ID card (both side)
3.Copy of Family register
4.Salary certificate or copy of pay slip of previous workplace
5.Copy of Bangkok Bank saving account passbook (the page with account name & account number) (BKK Branch.)
6.Copy of Social security card (if any)
7.Medical check certificate that obtained in the past 6 months (basic items will do)