Upload my birth certificate after CO requested and how long it will take to grant.?

Hello friends, i just want to ask that i applied for 189 visa with all docs and CO contacted with me on 15 February and required birth certificate. I have uploaded on immi account next day 16 february. Now i just want to ask how long it usually take to review visa application after requested docs uploaded..???? It would be really greatful if someone respons quick. Cheers and thanks
Hi Rehman, a few weeks at least. I replied to the CO on the 6th of Feb and haven't heard back yet. Good luck!