In Pakistan, one cannot emphasize enough on the role that a Subscriber Identity Module Info service plays. This system is a foundational element to mobile communication setups across Pakistan. Furthermore, the tie-in to the CNIC, which stands for Computerized National Identity Card is noteworthy.

Known widely as SIM Info System, this facility is implemented to locate any Pakistani Subscriber Identity Module card legally. Mostly, it is exploited in security agencies and telecom companies for multiple purposes.

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

Under the SIM Info System, the government of Pakistan can track any SIM card used within its territory. This is possible by linking the SIM to the owner's CNIC. Consequently, it aids in addressing illegal activities, and it also enhances security and avoids misuse of the SIM cards.

Each mobile operator in Pakistan is required to maintain a system that links their subscribers' SIM cards to their CNICs. This is done by the mobile operators in collaboration with the Pakistani government.

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

Essentially, SIM Info System and CNIC linkage in Pakistan is a significant step towards ensuring enhanced security and improved management of mobile communication setups. This system is not only beneficial for the government but as well provides an additional layer of security to anyone using a SIM card in the country.

In conclusion, the SIM Information System plays an indispensable role in monitoring SIM card usage and managing security in Pakistan. Tied with CNIC, it strengthens the efficiency of security efforts by info system easing the process of identifying any SIM card's owner. It is indeed a strong tool in Pakistan's telecommunication sector.