State Bank Of India [SBI] — interest penalty cut by bank

Address: Bhiwani, Haryana, 127040

Dear sir, My A/C no is [protected] and
My FD closed A/C no. [protected]
I start 9 August 2016 in 4000 per month cutt on standing instruction on the bank.
So automatically cutt 4000 per month but maturity time is 9 August 2017.
And my deposit amount - 4000×12 =48000 and interest amount is 2002 So total amount is 50002 received on maturity time. But I received my interest amount is 1522
So I request to you please give my bank panalty amount is 480/-