She follows the lineage set by many Keralites in the history of the pageant like Shweta Vijay (Femina Miss India Earth 2003), Annie Thomas (Femina Miss India World 1998), Nafisa Joseph (Femina Miss India Universe 1997), Mini Menon (Femina Miss India Asia Pacific 1996) and Shweta Menon (Femina Miss India 1994 2nd Runner Up).
She represented India in the 58th Miss World Final whiows the lineage set by many Keralites in the history of the pageant like Shweta Vijay (Femina Miss India Earth 2003), Annie Thomas (Fech was held at Sandton Convention Centre in Johannesburg, South Africa on December 13, 2008 and finished First Runner Up. Kseniya Sukhinovia from Russia won the crown, which according to many was unfair, citing that Parvathy deserved to win the crown.
Parvathy was born on 13 March 1987 at Kottayam, Kerala as the first child of Mr. Omanakkuttan Nair.
She is originally from Changanacherry - Kottayam, Kerala and now lives in Mumbai. She was only 7 months old when she came to Mumbai with her parents, because her father had to join Taj Hotel. Her hobbies include listening to music, dancing, glass painting, reading, playing basketball and badminton.