Wish app - Received Damaged product

I ordered mobile phone on wish application.
Ordered I'd no : ***e***db***e*******d*bd.
Tracking ID : LP*********MY( india post).
Product details :
Specification:
*.Model No.:P** Pro
*.Platform : MTK****, Deca Core (Latest ** Core)
*.Standby: Dual sim dual standby (A slot support SIM card, another slot support SIM card or TF card)
*.Screen: *.*HD+ Full Display *********
*.Speaker: **** Box Speaker
*.Frequency: GSM***/***/****/****MHz, *G: WCDMA***/****/****MHz，*G LTE,*G
*.Vibration: Support
*.Colors: black/blue/green
*.Memory: **GB RAM+***GB ROM
**.Multi Media: MP*/MP*/*GP/FM Radio/Bluetooth
**.Camera: **MP+**MP
**.Multi Function: Full screen, Dual SIM, Wi-Fi, GPS, Gravity Sensor, Alarm ,Calendar ,Calculator ,Audio recorder ,Video recorder, WAP/MMS/GPR, Image viewer,E-Book,World clock,Tasks card rear flash IML rear cover
**.Languages: Muti-language support
**.Others: Android OS **.* System
**.Battery: ****mAh Lithium-ion battery
**.Type-C plug
**.Ultra unibody.
Problem : I received my above order on **- Nov -****. When I received it I got that package was opened condition and I ask to delivery boy that said it's same as same Before I received. After opening the box I found that handset Which I ordered is damaged condition it's display was broken. Also found that quality is no good.
I raised complaint so many time but didn't resolve my issue. Also whatever wish representative said I do .but till date I can't resolve issues. I want to get my refund money