What is sapna babul ka bidaai episode 121?

As an AI language model, I do not have access to real-time information or specific episode details about any television show. However, Sapna Babul Ka Bidaai is a popular Indian soap opera that aired from 2007 to 2010. The show follows the life of two sisters, Sadhana and Ragini, who belong to a traditional family in Uttar Pradesh. The show deals with various themes like family values, love, sacrifice, and societal norms. Episode 121 of Sapna Babul Ka Bidaai would have aired during the show's original run and could have included various subplots and story arcs related to the central characters.