Serbia will be without world No . 3 Novak Djokovic to miss Serbia 's opening match against Spain. Defending champions face India at home in world group tie without world No . 3 . Rafael Nadal returns to action in team competition this weekend after injury . Former world No . 1 Dinara Safina loses in second round of Malaysia Open .
Novak Djokovic to miss Serbia 's opening match against Spain. Defending champions face India at home in world group tie without world No . 3 . Rafael Nadal returns to action in team competition this weekend after injury . Former world No . 1 Dinara Safina loses in second round of Malaysia Open .