Hi...I’m on an OA which was chopped to 28 Feb 2021 when I left and re-entered on 28 Feb this year.....my question is already plan to get a rentry permit to keep validity alive (when I leave hopefully in fe weeks , but I’ve learnt there is a multi entry re entry permit also...Does this mean I can exit and enter multiple times until 28 Feb 2021 after I’ve left