Bollywood actors Bipasha Basu and Karan Singh Grover have been in a relationship since the past one-and-a-half year. A video showing the lovebirds performing cosy pull-ups in a gym hints how strong is their bonding and physical intimacy they share. Bipasha was seen enjoying all the way while doing this rare feat.The video was shared by their fitness trainer Abbas Ali on the social networking site. "fit COUPLE! @bipsluvurself @Iamksgofficial #WorldPullupDAY #fitTEAM #LikeMinded #ShapingFITNESS...," he wrote.