It is crucial to understand on the role that a SIM Information system plays. This system is a foundational element to telecommunication networks across Pakistan. Furthermore, the tie-in to the CNIC, which stands for Computerized National Identity Card is significant.

Known widely as SIM Information System, this facility is designed to track any Pakistani Subscriber Identity Module card legally. Mostly, it is utilized in security sectors and telecom companies for multiple purposes.

National Identification Number, on the other hand, has a key role in this service. Each Pakistani citizen must have a CNIC, which is essentially their unique identifier. Through this number, they can locate the information of their tied-up SIM cards and the calls made from it.

Within the SIM Info System, the government of Pakistan can locate any SIM card used within its territory. Through linking the SIM to the owner's CNIC. As a result, it assists in fighting against illegal activities, and it also here enhances security and avoids misuse of the SIM cards.

Each mobile operator in Pakistan is compelled to maintain a service that associates their subscribers' SIM cards to their CNICs. The process is by the mobile operators through the coordination with the government of Pakistan.

Moreover, the SIM Info system enables users to check their registered SIMs with ease. Through this system, anyone can immediately get their SIM details without having to visit any telecom office.

Basically, SIM Info System and CNIC linkage in Pakistan is a crucial step towards ensuring better security and increased management of mobile communication setups. This system is not only beneficial for the government but also serves an additional layer of protection to anyone using a SIM card in the country.

In conclusion, the SIM Info Service plays an indispensable role in tracking SIM card use and managing security in Pakistan. Tied with CNIC, it strengthens the effectiveness of security procedures by easing the process of identifying any SIM card's owner. It is indeed a formidable tool in Pakistan's telecommunication sector.