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.
Sooraj and Sandhya get married under strained circumstances. Sandhya will not be able to finish her graduation. Soon she is part of the family she does not even know. This story is about Sandhya's struggle to fulfill her dream and a journey where she finds help from the most unlikely quarter - a husband who can make it possible.
Sandhya is a 19-year-old outspoken girl who belongs to a middle class family in Pushkar. She aspires to become an IPS officer, and eventually, a collector. Sandhya is a fun-loving, spirited young girl whose dream is an important part of her character.
Sooraj is a noble, good-looking and sensitive guy who believes in hard work. He had to become the provider for his family from an early age. Hence, he discontinued his studies after passing tenth standard. He runs a sweet shop and has strived to make it a success. Sooraj's mind is like an open book with no malice or hatred towards anyone.