Rafael Nadal to miss Serbia 's opening Rafael Nadal tie to focus on India hard-court season . Defending champions face India at home in world group tie without world No . 3 . Novak Djokovic returns to action in team competition this weekend after injury . Former world No . 1 Dinara Safina loses in 45th round of Malaysia Open .
Novak Djokovic to miss Serbia 's opening Davis Cup tie to focus on U.S. hard-court season . 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 .