I entered Canada on 23rd May 2018 and my visitor status was expiring on 23rd Nov 2018 I applied for extension and got extension till 23rd Feb 2019 .Can I apply for extension again ?
Yes - you can certainly apply for another extension. Of course it's entirely up to IRCC if it's approved and the chances of approval are generally reduced the longer you remain in Canada.
I entered Canada on 23rd May 2018 and my visitor status was expiring on 23rd Nov 2018 I applied for extension and got extension till 23rd Feb 2019 .Can I apply for extension again ?