No processing fees is charged on 3 months of merchant emi and ₹99 is charged for 6, 9 & 12 months of merchant emi. ₹199 is charged for 18 & 24 months of same.
.
Please refer to the tnc document attached below. It is from SBI card website.
SBI is sometimes beyond their T&C 😄
Even if you opt for 6,9,12 months EMI, when the principal amount is low they don't charge any processing free even if it's not No cost EMI.
Happened to me.