T Natarajan replaces Umesh Yadav in India's squad for last two Tests in Australia
Umesh and Shami will undergo rehabilitation at the NCA to try and be fit for the England series in February-March
India's squad for last two Tests
Ajinkya Rahane (capt), Rohit Sharma (vice-capt), Mayank Agarwal, Prithvi Shaw, KL Rahul, Cheteshwar Pujara, Hanuma Vihari, Shubman Gill, Wriddhiman Saha (wk), Rishabh Pant (wk), Jasprit Bumrah, Navdeep Saini, Kuldeep Yadav, Ravindra Jadeja, R. Ashwin, Mohammed Siraj, Shardul Thakur, T Natarajan