Thrissur: Congress leader Shashi Tharoor, who was asked by Delhi Police to join the probe into the mysterious death of his wife Sunanda Pushkar, is undergoing ayurvedic rejuvenation treatment at a centre in this Kerala district.

"Tharoor was busy finishing his book and he was undergoing a 14-day general wellness programme for ailments like frozen shoulder and stiffness," owner of Perumbayil Ayurveda Mana (ayurveda centre) Sajeev Kurup told IANS Thursday.