If ip address is registered in police log then what will happen?

Answer 1

I can't figure out what you're looking for here. I don't know what a "police log" would be. And I don't believe that IP addresses are "registered" there if such a thing does exist.

If you use your computer for illegal activities, it's true that your IP address could be discovered (usually by a court order to the internet Service Provider--ISP--who manages that address) and then that information could become part of a criminal investigation.

However, there are far too many addresses that could be traced for even a very large a police department to handle. That could only be done with a huge budget on a federal level and I doubt they have the time, disk space, or manpower to track and log every single communication that occurs over the Internet...