Tamanna is a work of fiction which is inspired by a true-life incident of an Eunuch. Tiku (Paresh) is an eunuch who finds a baby girl abandoned in a dustbin. Inspite of warning by Salim (Manoj Bajpai) and others, he decides to nurture & bring up the child. Tamanna (Pooja Bhatt) as a child is very mischievous & so is sent to a boarding school. She grows up but still is not aware of Tiku's identity. She eventually gets to know & is shocked initially but realizes all that he is done for her. She demands toknow about her biological parents. Tiku then discloses about them. How Tamanna fights against her father who is primarily responsible for abandoning her, forms the rest of the story.