1. You need to either book an appointment at BLS for walk-in or select their pick up drop service.
2. Fill the PCC form on Indian embassy website after creating an account -
https://portal4.passportindia.gov.in/
3. Get the following documents ready - passport biographic page xerox, address proof of Canada (DL/Any utility bill), a money order of 44.20 or bank cheque, one passport size photograph (2*2) and the form created in Step 2.
4. If you booked an appointment, go to the location along with all the documents in step 3. Carry your original passport also. If you used Purolator for Pick and Drop then get these documents ready along with the printing label. Then call Purolator to schedule a pickup.
5. Track your application on both BLS and indian embassy website