How to hide the redirected URI path from users.

Hello Venkata.

Try this:

when HTTP_REQUEST {
	log local0. "host is: [HTTP::host], port is: [TCP::local_port]"
	if { [HTTP::host] equals "abc.example.com" and [TCP::local_port] == 443 } {
		HTTP::uri abap/index.html
	}
}

Regards,

Dario.