Conn. Gen. Stat. § 47-61: No title by possession against an Indian.

In any action brought by an Indian or Indians for the recovery of lands owned by Indians, or sequestered for their use by the General Assembly or by any town agreeably to law, the defendant shall not plead the statute of limitations, except as against an Indian or Indians authorized by law to convey Indian lands, or as against a town authorized by law to convey Indian lands.