Actor Kangana Ranaut has been self-quarantining in her Manali home through the period of lockdown. According to a new video shared by her team on Instagram, the actor has already lost 5 kgs.In the video, Kangana does jumps, steps and other exercises even as her young nephew Prithviraj tries to copy his aunt. There is another person doing it with her; at one point he sits and watches Kangana do her routine.