Question

ISKA ANSWE NUCLEAR FISSION हे
मेने CHAIN REACTION लिखा है । चलेगा क्या ?​

Answer 1

I think yes .chain reaction is the answer.

Answer 2

Heya,

Correct answer is Nuclear chain reaction or nuclear fission.

If you have written chain reaction then it's halfway correct. I think you will not loose marks.

^_^