State Bank Of India [SBI] — aadhar link on my a/c

Address: Imphal East, Manipur, 795001

Website: www.sbi.co.in

I create my saving a/c at sbi imphal (Branch: paona bazar) on dated 18th september 2015 with my aadhar card, so am i going to link my aadhar again? I am having a bit nervous about these mentioned subject.
So kindly give me some knowledge a little bit soon and my a/c no and details are below;
Sbi saving a/c no: [protected]
Customer name : pollin irengbam