The South African trio who have joined the Twenty20 league which is due to start next April are all rounder Jacques Kallis, fast bowler Makhaya Ntini and wicket-keeper-batsman Mark Boucher.
The latest signings takes the list of international players to 49.
Promoted by the Indian cricket board with support from other major national boards, the IPL was launched to counter an unofficial Indian Twenty20 league due to start on Nov. 30.
The 44-day IPL event will feature eight franchises in the inaugural season with each squad containing 16 players. They will play home and away games leading up to a grand final. (Reporting by Sanjay Rajan; Editing by Sonia Oxley)
