According to team and cricket board sources, Tendulkar is suffering from tendonitis in the right hip region and will require a minimum of two weeks rest. Ishant is troubled by injuries to his toe and finger, Harbhajan has pulled a left hamstring, and Yuvraj's knee continues to be a problem. Yuvraj and Harbhajan could even have to undergo surgeries.
Ishant has been advised three weeks rest while Harbhajan could be out of action for a minimum of two weeks. All the players have been referred to Melbourne-based surgeon David Young. All the four injured players were part of both the Test and one-day squads and went through a gruelling tour of Australia.
Gloster's report also indicates that Irfan Pathan requires two weeks rest for his lower back, while S.Sreesanth has an instability in the left ankle, and Mahendra Singh Dhoni has sprained his ring finger of his right hand.
India's kick off their first Test against South Africa in Chennai on March 26. The squad will be selected on March 17 in Bangalore.