Are Putin Nuclear warheads still good?

In the event Putin decides to use tactical nuclear weapon against Ukraine, this move might create some unforeseen events for him. 

First, the world might find out if his impressive nuclear arsenal has been maintained as it should have and still is operational. 

Remember when he first invaded Ukraine, more than seven months ago, the operation should be expedited in just four or five days. If his post World War II atomic warhead stills work (would you take a 1954 Renault Dauphine on a road trip to the autobahn today?), 

Putin will instantly become the world’s enemy number one, rather the planet’s absolute pariah. Even his present buddies like China and India would turn their back to him and the rest who still support him would withdraw their support too. 

When he finally loses the war, he would be forced to surrender all of his nuclear arsenal and this would accelerate the demise of his country, Russia, he says he love so much, and this would bring the end of himself and his cronies. 

We’ll see what happens. Even though I fear it, I don’t think he’ll be that crazy, this time around.