1. There is a picture hidden in the archive, extract it via exiftool.
2. Check the file properties and find the "daya darwaza tod do" password.
3. Open the archive.
4. There are 1000 pictures in the archive, one differs from all of them by weight.
5. Apply steghide -extract -sf with password the password on it and obtain the flag.

Flag: vishwaCTF{my_GOD_D4ya_tumn3_t0_fl4g_dhund_liy4....}.