We process COD remittance/payment thrice a week. 

Please note that the courier partners take seven to ten days after delivery to remit COD amount to Shiprocket. 

[Even if we do not receive your COD amount from the courier company, we will remit your COD amount after 10 days of delivery of the shipment.]

Therefore, you should be getting the C.O.D. remittance after 10 days from the delivery date.