Novak Djokovic delights in 'best possible' start to 2015

Novak Djokovic says he has started the season "in the best possible way" after beating Roger Federer to clinch his fourth Indian Wells crown.

The world number one, who won the Australian Open last month, beat Federer 6-3 6-7 (5-7) 6-2 in California.

Djokovic now has 50 career titles to his name and says he has had to "fight" for his success.