Actress Riya Sen's intimate scene from the upcoming web series 'Ragini MMS Returns' has been leaked online. The scene also features actor Nishant Malkani. 'Ragini MMS Returns', which is the third instalment in the 'Ragini MMS' series, stars Karishma Sharma and Siddharth Gupta in lead roles. Previously, two films were released as part of the franchise.