return late fee

which return?

Assuming you are asking for Income tax return:

For returns filed after 31st December penalty would be Rs.10,000.

If total income is not more than Rs 5 lakh, the maximum penalty levied will only be Rs 1,000.  

Assuming you are asking for GST:

Late fee is Rs. 100 per day.

You need to pay late fee under both the act i.e CGST and SGST.

It is Rs.100 under CGST & Rs.100 under SGST i.e. Total will be Rs. 200/day.

It is to be noted that  maximum late fee can be Rs.5,000.