Salok Sahaskriti Mehla Pehla (Pa: ਸਲੋਕ ਸਹਸਕ੍ਰਿਤੀ ਮਹਲਾ ੧) is collection of four verses written by Guru Nanak Dev which are present in Guru Granth Sahib, the holy book of Sikhs.
These Salokas were composed in Varanasi while discourse with Hindu Pundit Gopal Das.
The fifth Guru of Sikhism, Guru Arjun Dev also wrote Sahaskriti shalokas style known as Shalok Sehskritee Mehla Panjvan, which are detailed explanation of these shalokhas.
Further more it can be called folk form of Sanskrit point towards ancient resources.
In Gurbani due to different languages like Sahaskriti, Sudhakari, Braj, Punjabi makes linguistic Catholicism.