Same day
1. Call for interview.
2. 2 interviewer ask question.
3. HR ask question fill standard form, salary requested form.
3 weeks later, call again availability. Another week, got offer letter through email. Note, that the person who do proposal is different to who prepare offer letter. Expect for 2 - 3 days to produce.
Overall, experience was very much awesome. Interviewer were very polite and informative, Hr is very helpfull on explaining.