Hello Sir..i have some questions regarding visit...

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If you want to travel to Canada and get a visa, you should apply through VFS Global as it is a private licensed company by the immigration, refugee and nationality administration of Canada in  visa its website:

Canada visa

Some personal features may be required such as fingerprints or personal photos by the Visa Application Center
After submitting the application on the Internet, you will receive a message with the instructions to your account. The letter will be printed and you will be given directions to go to the nearest visa issuance center with holding your passport.
When applying at the Canadian Visa Application Center, the service shall be paid for, the application shall be submitted and you will get a receipt.
This receipt includes your follow up number, which is important and necessary to follow up the status of the application electronically through the website of the agency.
There is a fee payable for your biological transaction, which also includes the Canadian visa application fee
Perhaps, you will be asked for some other documents depending on the type of visa you want to get
Then, you will have to follow up your application through the agency's website using your number
As for general procedures for travelling to Canada, you have to attach the following:
• Valid passport for at least six months
• Two personal photos
• New active bank statement
• Hotel reservations.
• Air tickets (Go & Away)
• Your sponsor/employer's approval, including all personal data or commercial record
• Then you have to go to the visa issuing agency and submit all documents with paying the fees and follow your application electronically