India Test quick, Ishant Sharma has sustained a hamstring injury during Delhi’s ongoing Ranji Trophy game against Haryana, casting doubts on his availability for the remaining two One-Dayers and the Gandhi- Mandela Test series against South Africa.

India take on South Africa in the first of three Twenty20 Internationals in Dharamshala on Friday with their sights firmly on preparation for the ICC World Twenty20 Cup that they host next year.