@Nishanth0312 GCMS notes are not free. Even while directly applying, one has to pay a fee of CAD 5. One must be a Canadian Citizen, Permanenet Resident or an individual or corporation currently in Canada.I guess if u r in Canada.. notes can be called for free!
The consent form (IMM 5744) and other details can be found using this link : https://www.canada.ca/en/immigration-refugees-citizenship/corporate/transparency/access-information-privacy/requests-information-act.html