Who among the following scientists holds the distinction of being the first Indian woman elected as a Fellow of the Royal Society (FRS) in London?

The correct option is Gagandeep Kang.

Step-by-step explanation:

1. Gagandeep Kang is an eminent Indian microbiologist and virologist renowned for her extensive research on enteric infections and child health in India.
2. In 2019, she achieved the historic distinction of becoming the first Indian woman scientist to be elected as a Fellow of the Royal Society (FRS) in London, which is one of the world's oldest and most prestigious scientific academies.
3. Her work played a vital role in understanding rotavirus epidemiology and advancing vaccine development and public health initiatives in India.

Overview of other notable scientists listed in options:
- Bibha Chowdhuri: A pioneering Indian particle physicist recognized for her early work on cosmic rays.
- Anna Mani: A prominent Indian physicist and meteorologist who made major contributions to atmospheric research and solar radiation measurement.
- Asima Chatterjee: A renowned Indian organic chemist best known for her development of anti-epileptic and anti-malarial drugs from Indian medicinal plants.