The correct options are
A Trippappooru Swaroopam (Venad)
B Perumpadappu Swaroopam (Kochi)
D Kolaswaroopam (Chirakkal)
The reign of Perumals declined by the late twelfth century. The region saw the rise of self-formations or Swaroopams which were ruled by chieftains. The major Swaroopams at the end of the twelfth century were Trippappooru Swaroopam in Venad, Perumpadappu Swaroopam in Kochi and Kolaswaroopam in Chirakkal.