Actress Anushka Sen, who has over 37 million Instagram followers, reveals her special bond with MS Dhoni, whom she calls Mahi Chachu. Anushka Sen Reveals Bond With MS Dhoni | News Karnataka Image: Web Ranchi: Popular Indian actress and social media influencer Anushka Sen has opened up about her special relationship with former Indian cricket captain Mahendra Singh Dhoni, revealing that she affectionately calls him ‘Mahi Chachu’.