Darsanakalanidhi Parikshith Thampuran (died 1964) was the last official ruler of the Cochin princely state.
As per localites he was born after several Yanjnas (a type of hindu rituals in front of a sacred fire), the Raj Purohit (royal priest) then named him Parikshit.
On 1 July 1949, Travancore and Cochin merged, Travancore-Cochin State came into existence, and the kingdom and the rulership came to an end.
He ruled the kingdom for a period of one year and then he continued as the Valliya Thampuran of Cochin.
[1] Parikshith Thampuran had his coronation on the grounds of the Durbar Hall in Ernakulam in August, 1948.