Who's the Murderer?

Solve this Murder case:
A man was found murdered at his house on Wednesday afternoon of 15/8/2007 at 12.35 PM at Delhi.
His wife called the police. The police questioned everyone.
Wife: I was sleeping.
Neighbours: We were out to attend a wedding.
Driver: I had gone to the Bank.
Cook: I was away to the market.
Watch Man: I went out-of-town to meet my relatives.
The police arrested the murderer immediately.
Who's the murderer?

Click here for Answer

Driver is the Murderer as the Bank is closed on 15th August (Independence day)