Solve this Murder case (challenge)

Solve this Murder case (challenge)..

Near Mumbai

A man was found murdered on 9-11-2016 Wednesday afternoon at 12.35 PM in his house...... His wife called police at 3:23 PM.

Police questioned everyone..

Wife: I was sleeping..

Son: I went for movies with my gf

Neighbor: We went for the marriage..

Driver: I went to ATM withdraw cash..

Cook: I went to Wine shop to buy Wine..

Gardener: I was in garden the whole time. I didn't hear anything.
.
Watch Man: I went to my relative's Marriage..

Police arrested the murderer immediately..

Who was it? 

Find who was that here!