Vivian Dsena’s Sirf Tum co-star Eisha Singh to join him in Bigg Boss 18 0 1 06:58 Timesofindia.indiatimes.com (sports) Following Vivian Dsena, his Sirf Tum co-star Eisha Singh has also agreed to enter the Bigg Boss house. The 18th season is set to premiere on October 6.