Raj Kapoor took Rahul Rawail to direct this film. Rahul Rawail was Raj Kapoor's assistant director. Rahul Rawail then directed 3 films for actor-producer like Raj Kapoor (biwi o biwi) Rajendra Kumar ( love story ) and Dharmendra ( betaab). Rahul Rawail had introduced stars like Kumar Gaurav, Sunny Deol, Kamal Sadanah, Vijeyta Pandit, Amrita Singh Kajol. Saif Ali Khan was to be introduced by Rahul Rawail for Bekhudi but than he took Kamal Sadanah.
The last R.K.Films with Randhir Kapoor in the lead.
R.D.Burman had composed music for 2 R.K.Films Dharam Karam & Biwi O Biwi..
Actress Simi Garewel worked in 2 R.K.Films Mera Naam Joker and Biwi O Biwi.
Biwi O Biwi is the last film of RK's which was directed not directed by the Kapoors.