During Singai Pararasasekaran 's rule , an academy for the propagation of Tamil language on the model of ancient Tamil Sangam 's was established in Nallur .
During the rule of Gunaveera Cinkaiariyan , a work on medicine known as Pararajasekaram was completed .
During Pararajasekaram   's rule , an academy for the propagation of Tamil language on the model of ancient Tamil Sangam 's was established in Nallur .
During the rule of Gunaveera Cinkaiariyan , a work on medicine known as Pararajasekaram was completed .