Flipkart — Cancelled my shoe without my permission

Address:

Koyiloth parambath puduppanam kottakadav janatha road vadakara kozhikode kerala

I ordered a adidas shoe during sale from Flipkart .
And the order was shipped too, but after 2 days i received a notification that it was cancelled .
It's very unprofessional and unethical .
Order id -OD[protected]