@SAP_Melaka eligible for skilled employment is after your Skill Level Requirement Met Date, so correct counting is:
10/11-10/13 (part of acs requirement, not counted)
Company A: 11/13-01/15 - 1YR 2MOs
Company B: 03/15-01/17 - 1YR 10MOs
You need to be working until Jan2017 to get that 5points.