113992242-Dravidian-Settlements-in-Ceylon-and-the-Beginnings-of-the-Kingdom-of-Jaffna-By-Karthigesu-Indrapala-Complete-Phd-Thesis-University-of-London-1965

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For nearly seven decades this part of the island became an
arena for the contest for power among different foreign contenders,
chiefly }gha and his associates, the Pyas and the Jvakas,
until at last the P4yas settled the contest to their advantaEe
and paved the way for the rise of a dynasty from the Tamil
country in the newly founded kingdom of that region. While these
events in the island made the situation favourable for the
settlement of the South Indians in northern Ceylon, events in
South India soon provided some of the causes for the migration
of these people. The downfall of the C1as in the middle of
the thirteenth century and the decline of the Pyas at the
turn of the century were followed by the invasions of the
Muslims. The resulting insecurity and disorders seem to have led
several Tamils to migrate to Ceylon where they found a welcome
hand in the South Indian dynasty that had established itself
in Jaffna. The rulers of this dynasty a pear not only to have
Lvc.
welcomed such migrants but al6o3en to the extent of inviting
settlers to the new kingdom. The thirteenth and the early part
of the fourteenth century were, therefore, a period of Tamil
immigration for the purpose of settlement. All these were set
in motion by the events that took place between 1196 and 1215,
es ecially the invasion of Igha which may justifiably be
called a land-mark in the history of the Tamils of Ceylon.