Bajaj Finserv FD App The Bajaj Finserv FD app makes it easy to invest in a high-interest fixed deposit from your phone. You can open an FD, manage investments, and track maturity dates seamlessly. With interest rates up to 8.65% per annum for a 42-month tenure, the app is perfect for anyone looking to grow their savings securely. Senior citizens can benefit from an additional rate boost of 0.40% on their deposits. Conclusion Fixed Deposits are one of the safest and most reliable investment options available today.