Looking for a Room or Studio or Flat for rent in Berlin

REAL ESTATE
I'm Abhishek, 30yo. I'm looking for a Room/Studio/Flat for rent in Berlin (rent or sublet) hopefully AB Zone, inside of the ring. Starting from either 15th April or 1st April. 

About me: I joined HelloFresh tech company as Senior Data Engineer. I am from India and planning to relocate to Berlin on 15th April with my wife (she is an architect).
We speak English, Hindi and currently learning German. Please let us know if there is any temporary flat available.

Preferences:
Equipped Kitchen
1-2 rooms
Around A/B Zone Area
Budget (~1200€ )
Must need anmeldung 

THANKS in advance!!

P.S: We both are fully vaccinated. We do know that Berlin is fully-booked and it is hard to find an apartment, but hope is still there).

Facebook:https://www.facebook.com/allmostt