He handed over his resignation to AINRC founder and Chief Minister N Rangasamy.
Angalane, who retained his MLA post, told PTI that despite several representations to Rangasamy for the development of Tirubhuvanai reserved constituency which he represents, nothing had been done and that unemployed youth in particular were "ignored" by the Chief Minister.
Angalane was elected on a Congress ticket in the 2006 Assembly polls andretained the seat as AINRC legislator in the 2011 polls.
He was Welfare Minister in the previous Congress government in Puducherry.