Explanation:

- Australia Group: India became a member of the Australia Group in 2018. It is a multilateral export control regime aimed at preventing the proliferation of chemical and biological weapons.

- Nuclear Suppliers Group (NSG): India is not a member of the NSG. 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.

- Missile Technology Control Regime (MTCR): India joined the MTCR in 2016. This regime focuses on controlling the spread of missile and unmanned aerial vehicle technology capable of carrying a 500 kg payload at least 300 km.

- Wassenaar Arrangement: India became a member of the Wassenaar Arrangement in 2017. It contributes to regional and international security by promoting transparency and responsibility in transfers of conventional arms and dual-use goods and technologies.

Correct Answer: Option 2 (2 only): India is not a member of the Nuclear Suppliers Group (NSG).