From start to end, BB wanted to have Shukla in elite club with Asim. When Aarti, Mahira and Rashmi were part of the task, they decided to cancel the task. When Shukla was part of davedari and they knew that they had less popular contestants in davedari, they called Audience to vote.
I think it was all designed to have Shukla and Asim in elite club and they fight it out for TRPs