IDFC First Bank (IDFCFB) has reported in line Q4FY24 PAT of INR 7.2bn (up 1% QoQ and down 10% YoY) with improvement in slippage and gross NPA. NII growth remains strong at 24% YoY though elevated opex (up 29% YoY) led to an increase in cost to income (C/I) ratio YoY.