The Visa process in India takes an average of 3 weeks. As per the Visa Office instructions, it is advantageous to initiate the process 3 months prior to the proposed date of traveling. The following link provides information about the documents that are needed to be kept handy before you begin the application process: http://www.cic.gc.ca/english/study/study-how-documents.asp

1. Medical Check-Up
2. Police Clearance Certificate
3. Application Package
4. Application Fee
5. Submit the application

After the application process is completed, if your application is approved:

• A letter of introduction will be sent to you confirming the approval. This letter is not your study permit. Bring the letter of introduction with you to show to immigration officials at the point of entry when you arrive in Canada.
• A visitor visa (temporary resident visa) will be issued in your passport. The expiry date on this visa indicates the date by which you must enter Canada. You must enter Canada before your visa expires. The visa will also indicate if you can enter Canada only once (a single-entry visa) or if you can enter Canada multiple times (a multiple-entry visa)

Upon getting your Visa, the following link will explain the various aspects that you need to be vigilant about as you prepare to travel to Canada: http://www.cic.gc.ca/english/study/study-arriving.asp