Iniya was born to S.Salahuddin and Savithri at Thiruvananthapuram, Kerala. She has an elder sister, Swathi, who is also a Malayalam television actress and a younger brother, Sravan. She had her primary education from Amritha Vidyalaya and Manakkad Karthika Thirunnal High School. She did her B.B.A course by correspondence.
Iniya acted in several Malayalam television series, short films and telefilms as a child artist. While studying in class four, she acted in the telefilm Koottilekku, which was followed by appearances in tele-serials Orma and Sree Guruvayoorappan by Vayalar Madhavan Kutty. She won the Miss Trivandrum title in 2005, following which she did modeling and appeared in several television advertisements as well as a number of Malayalam award-winning art films, including Saira. In 2010, she starred in a Tamil film Padagasalai and signed up four more Tamil films, all of which were cancelled or remain unreleased. Director A. Sarkunam signed her for the female lead character in his period pieceVaagai Sooda Vaa (2011), for which she changed her screen name to Iniya. She played as a medical student and love interest of the hero in the film Mouna Guru co-starring Arulnidhi. Bharathiraja signed her for his film Annakodiyum Kodiveeranum, being impressed with her performance in Vaagai Sooda Vaa, but after the script was changed, her role was removed from the film. She was part of a number of offbeat films in Malayalam like Ayaal, Bhoopadathil Illatha Oridam and Radio. In 2014, she was first seen as herself in Vikraman's Ninaithathu Yaaro, and later in Pulivaal, the Tamil remake of the Malayalam film Chaappa Kurishu. In her only Malayalam release of 2014, Madhu Kaithapram's Vellivelichathil, she played the role of a dancer. Her future projects are Pottu, Rosapookalam, Jithan 2, Yes I Am, Leela, Kaadhal Solla Neram Illai, Viagai Express, Rendavathu Padam and Aalathoorile Ethiri Vettam.