What Deficiency does the below rebus represent?

VIT_MIN

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

Why is it against the law for a man living in Delhi to be buried in Mumbai?

What is 3/7 chicken, 2/3 cat and 2/4 goat?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

A boy was locked in a room by some robbers. All that is in the room is a piano, a calendar, and a bed. The room is locked from the outside. What does he eat, drink, and how does he escape and get out?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

There is a barrel with no lid and some wine in it. 'This barrel of wine is more than half full,' said Curly. 'No it's not,' says Mo. 'It's less than half full.' Without any measuring implements and without removing any wine from the barrel, how can they easily determine who is correct?

I shave every day, but my beard stays the same. What am I?

You Throw The Outside, Cook The Inside
Eat The Outside, Throw The Inside.

What Is It?