About 270,000 tourists visit the mine each year.
The welfare organisation arranges collective weddings, feasts and dowries at no cost to families in need in Kurram District.
Senior KP officials have been working with religious scholars on the issue since March.
Prime Minister Khan's initiative includes low-interest loans to help young Pakistanis start their own businesses.
The programme, launched in April, allows participants of different minorities to interact with one another.
The initiative is a welcome move that will help make Pakistan a more prosperous, just, and safer place, say observers.
The government should involve more Pakistanis at the grass roots, according to activists.
The return of peace coincides with an increase in the number of sports and leisure activities.
A bill that has been introduced in the Senate would raise the age of marriage from 16 to 18 years in the Islamabad region.
The final leg of the PSL-4 has boosted the prospects of international cricket in Pakistan, which have long been stunted by terrorism.