1. It is good, you have Arrange Employment. but you should take IELTS whether you reach 67 points or not without IELTS points.
2. You can take IELTS after getting your Arrange Employment Letter and before sending full document to local visa office.
3. There is no problem if you have written moderate at the time of initial application and get the different result in IELTS exam on later stage.
4. Suppose, at the time of initial application, you have written for IELTS...i.e.
Speaking: Moderate
Reading: Moderate
Writing: Moderate
Listening : Moderate
and on the later stage, you get the different result, you should correct it at the time of sending full documents. You have to fill forms again at the of sending full document to visa office. you can write your actual IELTS score...i.e.
Speaking: Low
Reading: Moderate
Writing: High
Listening : Moderate
5. You have 3 years diploma after 12th Standard, you will get 22 point for Education Factor.
6. To claim 25 points, you must have master degree. Do not be confuse, 22 is good score.
7. Education
Level of Education Points
University Degrees
PhD, or Master's, AND at least 17 years of full-time or full-time equivalent study 25 points
Two or more university degrees at the Bachelor's level AND at least 15 years of full-time or full-time equivalent studyars 22 points
A two-year university degree at the Bachelor's level AND at least 14 years of full-time or full-time equivalent study 20 points
A one-year university degree at the Bachelor's level AND at least 13 years of full-time or full-time equivalent study 15 points
Trade or Non-university Certificate or Diploma
A three-year diploma, trade certificate or apprenticeship AND at least 15 years of full-time or full-time equivalent study 22 points
A two-year diploma, trade certificate or apprenticeship AND at least 14 years of full-time or full-time equivalent study 20 points
A one-year diploma, trade certificate or apprenticeship AND at least 13 years of full-time or full-time equivalent study 15 points
A one-year diploma, trade certificate or apprenticeship AND at least 12 years of full-time or full-time equivalent study 12 points
Secondary School Educational Credential 5 points