Barkha gets worried when she comes to know that Dev has sent the bottle to the doctor to verify its content. She fears that soon, Dev will come to know that someone had adulterated the fodder which will prove Balram's innocence. She decides to act fast. Soon, the doctor arrives and everyone is shocked when he asserts that there is nothing suspicious in the bottle. Radhika gets worried as she has lost her only chance to prove Balram's innocence. Balram tells Radhika not to worry and encourages her to defeat Barkha without using her godly powers. He tells Radhika that he has complete faith in her and is confident that she will outsmart Barkha. Balram also tells Radhika that if she succeeds in defeating Barkha, then he will allow her to use her godly powers. Soon, the workers from the mutt arrive and take Balram in their custody. Everyone feels bad for Balram. Barkha feigns sympathy towards Balram and indirectly tells Radhika to accept defeat. Radhika is worried, but is confident that she will defeat Barkha.
Choti Bahu is the love saga of two soul mates Dev and Radhika.
Radhika, a Brahmin by birth, was adopted and brought up by a family of weavers in a small town called Rawal. Dev, whose family has been in the service of Rajpurohits for generations, visits Rawal as a child on the occasion of Radhashtami. Dev and Radhika meet each other and become good friends. Radhika and Dev's families tie them in the bond of marriage in their tender age.
Maheshwari (played by Pragati Mehra), the eldest bahu of the Purohits, hopes to inherit Dadaji's property. However, her plans hit a snag when Maheshwari realizes that Dadji has willed all his property is in the name of Choti Bahu.
Undeterred, Maheshwari decides to find a docile girl for Rohan (played by Apurva Agnihotri). Maheshwari plans to own the property by controlling and manipulating the Choti Bahu and to this end chooses Radhika for Rohan. Destiny brings Dev and Radhika together after 15 years, when he returns to Rawal after 15 years to find out about Radhika, Rohan's bride.
Will Dev recognize Radhika? Will Radhika marry Dev or Rohan? Will Radhika become the Choti Bahu of Purohit House?