The latest promo of Bigg Boss 18 gives a sneak peek into the growing tensions between fitness trainer Rajat Dalal and actor Vivian Dsena. The two were seen engaging in a heated argument, with Vivian losing his cool and accusing Rajat of "lowering" the show's standard. This is not the first time the two have clashed on the show, with their previous fight over ration distribution causing a stir among the contestants. With tensions rising in the Bigg Boss house, it remains to be seen how this rivalry will unfold.