The fifth India International Science Festival (IISF) was held in November 2019 in:

Correct option is C

The correct answer is (c) Kolkata.
· The fifth edition of the India International Science Festival (IISF) was held from November 5 to 8, 2019, in Kolkata.
· IISF is an annual event organized to celebrate science and technology and to encourage public participation in the fields of science, technology, engineering, and mathematics (STEM).
· The 2019 edition of IISF aimed to foster a spirit of scientific inquiry and inspire innovation among students, researchers, and professionals.
· The festival featured various events such as Young Scientists' Conference, Women Scientists' and Entrepreneurs' Conclave, and exhibitions showcasing scientific advancements and innovations.