Less than 2 CR, Non-Senior Citizen Rates - HDFC, ICICI are offering 7%, Axis is offering 7.26%, IDFC/Indus Ind is at 7.5%, Bandhan Bank - 8% - as on 07th February-2023.
Till interest of 2.5L in a year, Submit form 15G/H to avoid direct TDS deduction. If interest in a year above 2.5L in one bank (which is possible in a rising rate scenario) then spread principal across different banks.
Anyhow you do not know which bank has most exposure to the upcoming adani or mallya, better to diversify anyhow 🙂