Ajab khan

I applied for 309 on 6 August 2018, An email received for medical on 7 august 2018, Medical done on 15 August 2018, Received form s56 on 12 april 2019, Documents submitted on 9 may 2019 and still waiting for their response,kindly if you have any info or know how long i need more wait for visa then tell me, thanks ...