Correct option is A
The correct statements from the given options are:
A. Under chapter-VII of the UN Charter, the Security Council can take action to maintain or restore international peace and security.
B. Under Art. 41, sanction measures do not involve the use of armed force.
D. Sanctions have been applied by the Security Council to support peaceful transitions, to deter non-constitutional changes, etc.
Sanctions cannot be withdrawn by the UN General Assembly but by the Security Council itself, which makes statement C incorrect.
Therefore, the correct option is (a) A, B & D only.