DCB bank fixed deposit rates is worth a look as they have suddenly gone aggressive and are looking for fixed deposits as they have started advertisement to garner deposits. However just remember that saving interest upto Rs 10,000 is tax exempt whereas any income from fixed deposit is to be added to your annual income and income tax to be paid as per your tax slab. SO, if you are looking for tax free returns; then check for HUDCO bonds which are providing tax free returns.
Crisil rating is A1+ as advertised by DCB bank.