Who was the founder of the Sikh religion? What are his main teachings?
Guru Nanak Dev was the founder of Sikh religion. He preached:
Oneness of ***.
*** is truth.
He discarded caste distinctions which divided human beings.
He advocated ‘Langar’ or community kitchen which brought all castes together.
He condemned useless rites and practices.
He preached true devotion to ***.
He did not believe in renouncing the world to attain I salvation.