You got it correctly
1- Sealed envelope from Indus University,
2- Sealed envelope from Sindh technical board for three years diploma certificate.
3- You should have sealed envelope from the board which issued the one-year diploma.
3- Generally IQAS requires final degree sealed from University/Institute/ Board, you can send all other degrees/diplomas but it is not mandatory.
For your spouse:
Yes,
1- Sealed envelope from KU.
2 Sealed envelope Intermediate and matric board require or not? (up to you not mandatory only highest degree is needed in sealed envelope)
· No IQAS doesn't require IBCC , HEC or Ministry of Foreign Affairs attestation.
First, you have to pay the fee to IQAS better is to pay online via card, because pay order etc will take time and complicate the process.
After payment of the fee, you will get an email consisting of two PDF files
1- The application form (on which your application reference number will be written at the bottom). The same reference number will be required on academic request form (
https://www.alberta.ca/documents/IQAS/academic-records-request-form.pdf) for the sealed envelope from University/Board/ Institute.
2- Checklist of the documents.
You can talk to IQAS representative on phone and after their consent, you can send two separate envelopes (your and your spouse's) in one bigger envelope with an explanation note that you were told to send documents like this by IQAS representative.
For courier service I had very good experience with DHL, they charged me 2300/- PKR and packet was delivered in 3 working days.