Does the immigration service has right to revoke your citizenship?

Yes. In the following cases: 1. Convicted For An Act Of Treason Against The United States

2. Holding A Policy Level Position In A Foreign Country

3. Serving In Your Native Country's Armed Forces If That Country Is Engaged In Hostilities Or At War With The United States

4. Serving In Your Native Country's Armed Forces As An Officer Or A Non-Commissioned Officer