A Delhi-based advocate on Tuesday filed a petition seeking a high-level probe into Minister of State for External Affairs Shashi Tharoor8217;s alleged role in the purchase of Kochi8217;s IPL team and his close associate Sunanda Pushkar8217;s stake in it. Advocate Ajay Agrawal filed his petition in the Supreme Court Registry,requesting for a probe either by the CBI or other specialised panel constituted by the court.