I had the same situation, the best way is send ur mom passport to India and submit both parents passport to VAC, I sent through Fedex and it took 3 days, when ur dad landed here, u can take ur mom to port of entry for her landing,
I hope it help
Hello everyone !
I am quietly follow this site and below here is the timeline of my 2019 application
04/25/2019 received invitation letter
05/10/2019 submitted package to CIC through
Canada postal
07/11/2019 received AOR from Ottawa...