India Post — india post item stuck at dimc new delhi 110002 since 6th of may, 2019

I m gagandeep singh my package with tracking number rb[protected]sg is stuck at dimc new delhi 110002 since 6/may/2019, they never attempted to deliver the package nor called me.

The package was imported via aliexpress so i am pretty sure my contact number is mentioned on the package.

The tracking details are as follows.
20/05/2019 15:11:51 india dimc new delhi 110002 record item customs information (Inb) air dimc new delhi 110002
06/05/2019 15:41:26 india dimc new delhi 110002 send item to customs (Inb) air dimc new delhi 110002
06/05/2019 15:37:46 india dimc new delhi 110002 receive item at office of exchange (Inb) air dimc new delhi 110002
06/05/2019 11:10:26 india dimc new delhi 110002 receive item at office of exchange (Inb) air dimc new delhi 110002
04/05/2019 13:18:33 india kolkata foreign lcao transfer from office of exchange (Inb) air dimc new delhi 110002
04/05/2019 12:04:36 india kolkata foreign lcao receive item at office of exchange (Inb) air kolkata airport sorting office
02/05/2019 19:00:00 singapore singapore s06 send item abroad (Edi-received) air kolkata airport sorting office
02/05/2019 02:11:00 singapore singapore s06 insert item into bag (Otb) air kolkata airport sorting office