Twelve teams participated in the event organised by Peshawar Zalmi to promote religious harmony.
The festival, which fell on August 26 this year, draws Pakistanis of all religious beliefs and promotes inter-faith harmony, say observers.
Eid ul Adha will be celebrated on August 22 in Pakistan.
Authorities accelerated conservation and excavation work at Takht-i-Bahi this month with the goal of highlighting the archeological significance of Khyber Pakhtunkhwa.
The Taliban urged a boycott of the conference, but many clerics and scholars ignored the militants and issued a declaration saying that 'terrorism contravenes Islamic law'.
The initiative will raise the status of prayer leaders among society and reduce their vulnerability to extremist recruiters or others seeking to influence them, authorities say.
Suicide bombers, as well as those who support and train them, are traitors against the state and Islam, according to a newly issued fatwa.
The discovery of the roughly 1,700-year-old statue, carved from Kanjur stone, was announced in November.
The classes are a religious obligation for Sikhs, but also promote peace and religious harmony, observers say.
The government is currently collecting statistics on the number of mosques and imams in the province.