 In the late 18th century, however, the area of the kingdom declined.As a Dutch map of AD1743 indicates, the boundaries are;

Historian K.N Gopala Pillai, Kuruppum Veettil is written of the country's borders in his historical novel "Thekkumkur Rani".He said that Purakkad belonged to Thekkumur and was an important trading center of the country.