in hand
being worked on or dealt with now:
They've had plenty of time to prepare, so the arrangements should be well in hand (= almost ready).

[TahlilGaran] Advanced Learner's Dictionary ▲

in hand
1.
controlled.
They seemed to have the game in hand when they scored three goals.

Usage notes: also used with take:
I think the state failed to take the situation in hand.

2.
immediately available.
We have about 6,000 applications in hand for about 200 new positions.

[TahlilGaran] English Idioms Dictionary ▲

in hand
1. in one's possession
The man arrived at the border crossing with much cash in hand.

2. under control
After several hours the riot police had the problems with the crowd in hand.

The teacher had the class in hand when the principal came to visit the classroom.

[TahlilGaran] English Idioms Dictionary ▲

in hand
adv. or adj. phr.
1. Under control.
The principal was happy to find that the new teacher had her class in hand.
The baby-sitter kept the children well in hand.
Mabel was frightened when the barking dog ran at her, but she soon got herself in hand and walked on.
Antonym: OUT OF HAND.
2. In your possession; with you.
■ Often used in the phrase "cash in hand".
Tom figured that his cash in hand with his weekly pay would be enough to buy a car.
Compare: ON HAND.
3. Being worked on; with you to do.
We should finish the work we have in hand before we begin something new.

[TahlilGaran] English Idioms Dictionary ▲