[ad_1] Kuldeep Yadav (BCCI Photo) NEW DELHI: For Kuldeep Yadav, India’s two-Test series against Sri Lanka is an important opportunity. With the team going through a transition, Kuldeep can strengthen his case to become a key part of India’s red-ball plans.Ravindra Jadeja is in the twilight of his career, and India need to identify their…