Sports in India recorded several milestones in 2015 - from boxer Vijender Singh's explosive professional debut to Sania Mirza's superb run and Saina Nehwal's exploits to wrestling joining the burgeoning bandwagon of leagues.Indian cricket, however, was hit by a plethora of controversies which threatened to overshadow on-field events.Sania personified Indian tennis with a stupendous rise that catapulted her to the tip of women's doubles rankings.Her association with Swiss great Martina Hingis formed the basis of an unstoppable juggernaut as they complimented each other perfectly to win an astonishing nine titles, a fairy tale journey adorned with prestigious victories at Wimbledon and US Open.They teamed up in 16 events and enjoyed an overwhelming 55-7 win-loss ratio with a 22-match unbeaten streak.The Indo-Swiss collaboration capped off a memorable year with a triumph at the season-ending Women's Tennis Association (WTA) Finals in Singapore, also winning at Beijing, Wuhan, Guangzhou, Charleston, Miami and Indian Wells.