Critique the legal accuracy of the following statements regarding the regulation and termination of civic membership in the Indian Republic:
1. The primary text of the Constitution houses the exhaustive and detailed legal criteria dictating the ongoing acquisition and loss of citizenship.
2. The statutory mechanism enforcing automatic citizenship termination upon acquiring foreign nationality is actively suspended during periods of national wartime engagement.
3. Article 11 vests the central Parliament with the exclusive, unchallengeable sovereign authority to formulate and amend all provisions relating to citizenship.