What should be in your doomsday prepper kit?

In the 4.5 billion years of evolution our earth, which we claimed as ours just a few thousand years ago, passed through several phases of extinction. So, extinction is a reality which we have to accept. Even the 5000 years of recorded human history suggests that several civilizations vanished from the face of the earth due to one or other reasons. The cause of the catastrophe, geographical scale whether local or global, time and duration, and intensity might vary but ultimately it will result in a loss of millions of lives. Human evolution is all about finding new paths in the struggle of survival.

Depending on the cause catastrophe, whether natural like an asteroid hit, solar flare, magnetic field change, the super activity of ring of fire or man-made like climate change extremes, population boom, nuclear-nano-robotic technology going wrong or simply the great war of civilization our reaction and preparation …