Hello @rajnibedi
Thank you for taking part in Steemit Engagement Challenge season 17 of week 4 here in our community. Your first image is AI generated and the rest are not from copyright free source. Kindly check and make corrections.

Here are copyright-free image sites you might wish to use;
https://www.pexels.com
https://unsplash.com
https://www.pexels.com
https://pixabay.com
https://www.freepik.com