Flipkart — Order delivered, but later marked as cancelled

Address:	BANGALORE
Website:	www.flipkart.com

Hello myself rohan ordered a infinix zero 5g from flipkart on 23/05/2022, with order no od[protected]. The phone is delivered successfully and after some days flipkart cancel that order and cancelled all the freebies with the order. Now i dont have the invoice. I am complaining about this matter for last couple of months but no proper response from flipkart. I also shared the box images with imei number. Please help me asap