Travancore–Cochin
It was originally called United State of Travancore and Cochin and was created on 1 July 1949 by the merger of two former kingdoms , Travancore and Cochin with Thiruvananthapuram as the capital . 
<triplet> Travancore <subj> Thiruvananthapuram <obj> capital <triplet> Thiruvananthapuram <subj> Travancore <obj> capital of