Post the due date, you will be charged at 0.1% as interest per day, on the principal amount*. Apart from the daily interest, you will have to pay a norminal one time late fee as per the slab below:
PRINCIPAL AMOUNT
ONE TIME LATE FEE
Less than 249
Nil
INR 250 - 999
INR 75
1000 - 2499
150
2500 - 4999
300
5000 - 9999
400
10000 - 24999
500
MORE THAN 25000
600
principal amount: The total money used from the credit available