Other writers worthy of mention are Mahabala Kavi , the author of Neminathapurana ( 1254 ) , an account of the 22nd Jain tirthankar Neminatha , and Kumudendu , author of a Jain version of the epic Ramayana in shatpadi metre called Kumudendu Ramayana in 1275 . The effort was influenced by Pampa Ramayana of Nagachandra . Kumara Padmarasa , son of Kereya Padmarasa , wrote the Sananda Charitre in shatpadi metre . Ratta Kavi , a Jain noble , wrote a quasi @-@ scientific piece called Rattasutra ( or Rattamala ) in 1300 . The writing bears on natural phenomena such rain , earthquakes , lightning , planets and omens . A commentary on the Amara Khosa , considered useful to students of the language , called Amara Khosa Vyakhyana was written by the Jain writer Nachiraja ( 1300 ) . Towards the end of the Hoysala rule , Nagaraja wrote Punyasrava in 1331 in champu style , a work that narrate the stories of puranic heroes in 52 tales and is said to be a translation from Sanskrit .