Djokovic: I do not know if I can repeat last season

The best tennis player in the world Novak Djokovic is ready for the seventh consecutive participation at the 1000 Tournament Series in Indian Wells. Competition in the California desert is the first in the Masters series and the start of a mini U.S. tour, Serbian tennis player has the difficult task of defending 2000 points and won two titles last season.
Novak was recently in Dubai losing to Andy Murray in the semifinals. Will of the draw, if there is no surprise, will get another chance just in Indian Wells to revenge for the defeat of Briton seven days ago. Djokovic is in the same half of the draw as a tennis player from Dunblane, while the main rivals in the remaining half of Roger Federer and Rafael Nadal who could meet in the other semifinal.
Last season was amazing, definitely the best in my career. If you ask me if I could repeat it, the answer is that I do not know. It will be difficult in any case, says Djokovic.