Ek Hazaaron Mein Meri Behna Hai

Maanvi sings and dances with Viraat at the party. Maanvi gets jealous and throws a drink at Tanya. Later, Viraat has a fight with her for interfering in his matters and creating a scene in front of his friends. Jeevika suggests her to apologise to Viraat. Why is Maanvi jealous of Tanya?