S Jayanthi, chairman of the Teachers Recruitment Board, was holding the additional responsibility of the public libraries department and has been replaced by RV Shajeevana. Chennai: S Jayanthi, the director of the Tamil Nadu public libraries department, has been relieved of her duties on Sunday in connection with the alleged irregularities in the purchase of books for the Periyar Arivulagam (public library) in Coimbatore.