Hi,
I wanted to update you over this after 2 months of usage, I have been able to make rclone work for me properly now and it's working fine for now except for one thing for which I have made the new thread:
Meanwhile, for now I'm marking this thread as solved until further (if I face any similar issue).
Thanks for your help. It was really helping.
Note for anyone having the same issue: Please read the full thread and there are solutions partially divided into the multiple posts of @Animosity022 hence, this issue isn't resolved in one single post but rather multiple of them.