Rishika Singh is an Indian actress who appears in Kannada-language films. She is the daughter of film director Rajendra Singh Babu and granddaughter of Mysore-based film producer Shankar Singh and former Bengali actress Pratima Devi. Her brother Aditya also appears in Kannada films.
She is a sister 
It states that she has another sibling who also appears in films, which means she is a sister. The model probably missed that.