Since you are saying that Interest Income is 5 Lakh for Per Annum,, Which is morethan Exemption Limit of Rs.10,000 for TDS under section 194A,,, The Bank would have already deducted TDS on this.
Check How Bank Has Apportioned Income & Deducted TDS.
If they apportioned 50% Income to you & 50% income to your wife,, Then you may File the Tax Return with 50% As your income & 50% as your wife income.
If bank did otherwise,, talk to bank if it possible to file revised etds return for them.
soruce:https://www.exploreincometax.com/Income-tax-Ready-Reckoners/all-about-tax-deduction-at-source-on-interest-payments-otherthan-securities-tds-under-section-194A
For checking Your TDS ,if you have income tax efiling Login,, Use the link:https://www.exploreincometax.com/Income-tax-Online-Facilities/know-the-income-credited-against-my-pan-card-using-income-tax-e-filing-login
If you dont have income tax efiling login use the link:https://www.exploreincometax.com/Income-tax-Online-Facilities/know-the-income-credited-against-my-pan-card-using-bank-net-banking-password