e-tax payment

I have que. for e-payment of tax. I have one party which is bank and there are 38 branches of  it & it comes u/s.44AB now the que. arises that the account for making payment of tax through internet should be opened single or separate for each branches in the nationalised bank? Means 1 A/c. or 38 A/c. for making e-payment of tax because there are separate TAN for each branch.