FTP, name this
He is said to have been close friends with a southern king, Tissa, to whom he sent his brother Mahendra as a missionary.  After serving as Viceroy of Malwa and Taxila, he was selected to succeed his father, Bindusara.  Much of our knowledge of his reign comes from his numerous rock and pillar edicts, which stress the change in his rule following the bloody Kalinga war, and following that campaign he called the Council of Pataliputra circa 250 BC.  FTP, name this Mauryan emperor known for his propagation of Buddhism in India.
He is said to have been close friends with a southern king, Tissa, to whom he sent his brother Mahendra as a missionary.  
Asoka or Asokavardhana