For Consular and Visa information:
Mr. Muhammad Jamil (cell number): 0090 553 793 77 18
For E-Visa, click here: 
https://visa.nadra.gov.pk/visit-visas/

For emergency and on weekends: (Mahmood Ali +90 535 337 11 79 and Usman Ashraf +90 555 108 87 84)