What Deficiency does the below rebus represent?

VIT_MIN

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

A doctor and a boy were fishing. The boy was the doctor’s son, but the doctor was not the boy’s father. Who was the doctor?

What has 13 hearts but no other organs?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

A thief enters a store and threatens the clerk, forcing her to open the safe. The clerk says, “The code for the safe is different every day, and if you hurt me you’ll never get the code.” But the thief manages to guess the code on his own. How did he do it?

A girl was sitting in her hotel room when she heard a knock on the door. She opened the door and found that a man was standing outside.
The man said, "Oh! I am really sorry, I thought this was my room."
He then walked through the corridor to the elevator. The girl did not know the man. She closed her door and called security asking them to apprehend the man.
What made her suspicious of that man? He might have been genuinely mistaken.

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

If,

Akriti = 631
Levis = 521
Sroti = 521
Aneel = 533
Then,
Sunil =?