If you want to apply for Super Visa for Canada, you must be the grandparents or parents of permanent residents or Canadian citizens. Also, you must meet the following criteria:
You must have a signed letter from your grandchild or child who invites you to Canada that includes:
A promise letter of financial support for the duration of your visit.
The number and list of people in the household of this person.
A copy of this person’s Canadian citizenship or permanent resident document
You must have medical insurance from a Canadian insurance company which is:
Valid for 1 year at least from the date of entry
At least coverage of $100,000
Provide proof that shows that you have paid for your medical insurance.
Also, you must:
Apply for a Super Visa from outside Canada
Take an immigration medical exam
Be allowed to enter Canada
Meet certain other conditions
You cannot include dependants in this application.