Indian tennis star Sania Mirza, who called time on her illustrious career last month, took to Twitter to share an inspiring letter she received from Prime Minister Narendra Modi. Sania, who remains one of the most decorated sportspersons in the country, thanked PM Modi for the gesture and vowed to continue making India proud no matter what she goes on to do next. In the letter, PM Modi called Sania a 'champion' and said that the tennis star "left an indelible mark on Indian sports, inspiring the coming generation of athletes".