Few Tips:-
1. Marriage Certificate- Original and (Attested/Translated if in other language)
2. Passport- Full passport copy with all pages scanned (if no travel history- still can do as well)
3.Medical Exam- e-Medical Original Scan Copy
4. Education- Degrees Certificate (Original & Attested) WES Report and IELTS TRF as well. (All in 1 file)
5. Employment records- it can be more than 1 so just upload documents in order you have uploaded in EE file. (Reference:-
http://www.canadavisa.com/canada-immigration-discussion-board/threads/multiple-work-experience-document-upload-placeholders.483188/#new)
6. PCC- Multiple if more than 1 country travel/stay period is more than 6 months. (The police certificate must be issued after you last lived in that country or territory.) PCc for India should be from Passport Seva Kendra which is valid for PAN India addresses.
7. POF- Bank Statment (Last 6 Months), Bank letter showing all account details with the bank, if FD (FD Certificate and Bank letter)
8. Digital Photo- As per specs only. (
http://www.cic.gc.ca/english/information/applications/guides/pdf/5445EB-e.pdf)
9. LOE:- Nomination letter/Certificate, any other issue not mentioned in your profile for which CIC should be aware.
Note:- Try to attache colour scanned copies only.
Links to Follow:-
1.
http://www.cic.gc.ca/english/resources/tools/perm/express/intake-complete.asp
2.
http://www.canadavisa.com/canada-immigration-discussion-board/threads/reasons-for-rejection-faraz-summary.471670/
3.
http://www.canadavisa.com/canada-immigration-discussion-board/threads/ready-reference-steps-to-follow-and-documents-to-arrange-post-ita.455826/