Nandini is an Indian Tamil-supernatural fantasy thriller drama series that aired on Sun TV. It was produced by Sundar C under Avni Telemedia.

Plot

The serial's plot begins with a man called Rathnavel (Riyaz Khan) falling in love with Parvathy (Khushbu), an enigmatic shape-shifting serpent, and the two of them being married. Nandini and Ganga, two twin daughters, were born to her. Ganga acquired human qualities, whereas Nandini inherited snake qualities. Parvathy offers her spouse Ganga after transforming him into a transgender person in order to spare him from her clan's murderous intentions. Subsequently, Rathnavel loses all memory and hands Ganga over to Manickam, the royal housemaid. Manickam is childless and believes Ganga is his daughter, raising Ganga in the palace. Then, Rahnavel adopts the name "Seyanayagi" and keeps up his devotion to the deity Karuppar.