Talented actress Rukhsar Rehman will now join the cast of Star Plus' popular show Diya Aur Baati Hum (Shashi Sumeet Productions. Rukhsar has replaced Prateeksha Lonkar as Prachi Tehlan's chachi. Also joining the show will be actor Bhuvan Chopra as the new girl's chacha. As we know, Kunal Khosla will play the younger brother of Sooraj while Prachi will play his love interest.  Their love story will be in focus now. Rukhsar was earlier seen in Shashi Sumeet's Tumhari Paakhi while Bhuvan was seen in Sony TV's Main Naa Bhoolungi. Rukhsar confirmed her presence in the show. We could not get a revert from Bhuvan till the time if filing the story.