The band will perform in the "Aakhri Salaam" special of the show every Saturday.
"The appreciation that we received from Salman Khan during our performance in 'India's Got Talent Khoj 2' was overwhelming. It feels great to perform on 'Bigg Boss 4', " said Underground Authority in a statement.
"We are practising day in and day out. We are really charged up to present our talent once again in front of Salman. Hope we will have a gala time performing, as much as the viewers will have watching the show. We are eagerly looking forward to it, " the statement said.
The five-member band was a finalist in Colors' reality show "India's Got Talent Khoj-2".