India Post — Unable to track consignment and delivery status not known

Booked online orders in m/s aliexpress and the order tracking consignment no. S are lp[protected] (Ua[protected]sb) & lp[protected] (Ua[protected]sb). Also understand that the consignments booked through m/s aliexpress are delivered by indian postal services in india. When i tracked the consignment details the information shows that the material with consignment no. S mentioned above reached india on 28/08/20 & 29/08/20 respectively.
After that there is no tracking information of the consignment using either india post tracking or aliexpress tracking.
Let me know the status of the consignment.