How to transfer WhatsApp backup from Android to iPhone?

Dear IPHONE team,

WANT TO MY ANDROID MOBILE WHATSAPP BACKUP RETRIV IN I PHONE 11, but i am trying maximum way but not posible so please suggest me how can i retrive old phone backup data retrive in my iphone 11.

please do this neadfull. because i am not to able carry two phone only apple mobile wants too carry always.

reards

Sanju

[Edited by Moderator]