This was the result of good editing. They only just showed us the outside view of the door. We have no way of knowing how long they were inside, or what they did.Whatever he states loud and clear is of no importance in establishing guilt/culpability. 80 cameras jhooth nahin boltey. 😛
I dont think there was any editing at all. Pritam/Renee were still on sofa and still remember that Diandra dragged Gautam outside, so as soon as he came back they asked him what happened.
Also, Bigg boss wont edit out if there was something like that for TRPs. If he edited it out here, it would be in uncensored videos. Keep looking for that and I am sure there will no such uncensored video because no such thing happened.
If something big happened, then bigg boss would have shown like how Kushal-Gauhar went into washroom and coming out from there was never shown.
In this case bigg boss just showed how Gautam ran away from there and it is also clear that Diandra was dragging Gautam and not the other way around.