Tell me what I need to do, If anybody is using my website image without permission or without any credit.
You can proceed politely by getting in touch with them and requesting them to provide proper credits. Did you have any logo watermark on your image?
Muskan that's an good news.Yep! Really.
You just have to email or have to get into touch with them and ask them to link you as the source.
Or else remove the image.
@Soham_Pratap Right! If they provide you a link with the image, you will get a backlink from their main content which is considered a quality link.