In episode 687 of Diya Aur Baati Hum, aired on 22nd March 2014, Sandhya leaves for HyderabadThe Rathi family bids farewell to Chhavi. Dilip's mother informs Sandhya that she is aware of Chhavi's misdeed. Santosh overhears their conversation. Sandhya leaves for Hyderabad to resume her training. Kavita arrives at the Rathi house and apologises to Santosh for not attending Chhavi's wedding. Santosh reminds her about Sandhya's transfer. Sandhya arrives late at the training. Agrima Singh suggests a new task for the cadets. Zakir, Rahul and Sandhya come forward for the task. What would be the task? To know more, keep watching Diya Aur Baati Hum...Diya Aur Baati Hum is the story of Sandhya's struggles, who dreams of becoming an IPS officer. She dreams to break the boundaries of her confined existence of middle class values. The story is also about Sooraj, who is a self-made man. Sooraj runs a famous sweet shop near his house.