I've been forwarded this information about how to aid people in this area:
The following is a fund by the Bishop of Batticoloa in the East of the island. The money should get channelled to the people who are not getting any help from governmental organizations at present.
Name of the Account: "TSUNAMI-2004 Quake Disaster Relief"
Account No. 810 5008632
Name of the Bank: The Commercial Bank of Ceylon,
7056 - 105,
Batticaloa, Sri Lanka.
Swift code: CCEYL KLX