Answer : 4. "जयानक"
Explanation :

The correct answer is Prithviraj Vijay. Prithviraj Vijay was composed by Jayanak. Prithviraj Vijaya is a laudatory Sanskrit epic poem on the life of the Indian Chahamana king Prithviraj III. It is believed to have been composed by Jayanaka, a Kashmiri poet-historian in the court of Prithviraj around 1191-1192 CE.