The protestors marched from Elephant Pass to Kilinochchi, where they staged a demonstration.
The government was criticized for not issuing a detailed report into persons who went missing during the war.
Also, it does not even speak about the promise to hold an international investigation into war crimes, as alleged by the TNA, in the north, BBC Sandeshaya reports.
It also says there has been no progress with regard to the release of political prisoners, return of civilian land in the north, removal of high security zones and resettlement of the war displaced.
A letter detailing their woes was handed over to the UNHRC representatives.
MP S. Sridharan said the TNA fully supported the protest campaign, which saw no intervention by either the police or the military.
Meanwhile, a senior police officer told Sri Lanka Mirror that the protestors demanded the removal of a Buddha statue from the Iranamadu Army camp.