Indian Overseas Bank — request to refund

Address:

Cuddalore, Tamil Nadu

Sir/madam,
I'm s. Lenin. Acc. No:[protected].

The day july 31, my account was credited by 800 rupees. I got sms as my account was credited. But i cannot take the money from atm machine. I already informed my branch. They told the money will credited within 74 hours. But still now not credited to my account. So kindly please refund the amount.
Thanking you.