Hey, when filing your income tax return if your taxes paid by way of advance tax, self-assessment tax or TDS is more than your tax liability, you are automatically eligible for a tax refund. Which will be credited in your primary bank account once your ITR and refund is processed. The ITR form you need to file may vary based on your income situation. You can use this tool to know which ITR form to file tools.quicko.com/know-your-itr-form/
Login to your account on Income Tax Website using username and password. Under the option, My Account, go to 'View Form 26AS'. You would be redirected to TRACES to download Form 26AS. Here is an article with detailed steps - learn.quicko.com/form-26as-tax-credit-statement