Why is American Express car insurance via Tata AIG significantly cheaper than anyone else, even Tata AIG's own

[pulkitpopli2004]

Same features and IDV...But SBI premium is 16k and Oriental is 13k..

Which one should i choose?

if the sublimits are also same, you can go with Oriental

 

[_amit_]

Was anyone else able to get this much difference in Car Insurance from the same insurer for same package?
Or was this a user specific offer via AmEx and not a common occurrence ?