#गुरुनानकजी_के_गुरु_कौन
God Kabir's Proof in Page 721, Rag (Raag) Tilang Mehla 1, of the SGGS

In this speech Shri Nanak Dev Ji greets 'Almighty Kabir' as 'Hakka Kabir'.

Yak arj guftam pesh to dar gosh Kun Kartaar | Hakka Kabir karim tu beaeb Parvardagaar II
#गुरुनानकजी_के_गुरु_कौन