Step 1: Understanding the Question
The question asks to identify the member countries of the Quadrilateral Security Dialogue, commonly known as the Quad.
Step 2: Recalling the Members of the Quad
The Quadrilateral Security Dialogue (Quad) is a strategic security dialogue between four countries.
The member countries are: India, the United States of America (USA), Japan, and Australia.
The group is often seen as a strategic partnership to counterbalance China's growing influence in the Indo-Pacific region.
Step 3: Evaluating the Options
(A) India, USA, Japan and Australia: This correctly lists all four members of the Quad.
(B) India, UK, Japan and Australia: The UK is not a member.
(C) India, UAE, Japan and Australia: The UAE is not a member.
(D) India, Ukraine, Japan and Australia: Ukraine is not a member.
Step 4: Final Answer
The Quad consists of India, the USA, Japan, and Australia. Therefore, option (A) is the correct answer.