Q. Which of the following Multilateral Export-Control Regime is also called as London Club?

[A] Nuclear Suppliers Group

[B] MTCR

[C] Wassenaar arrangement

[D] Australia Group

Answer: A
Notes:

The Nuclear Suppliers Group (NSG) first met in November 1975 in London, and is thus popularly referred to as the “London Club”.  

It is a Group of nuclear supplier countries that seek to prevent nuclear proliferation by controlling the export of materials, equipment and technology that can be used to manufacture nuclear weapons. 

Source: The Hindu