It was a time when Indian society was reeling under the combined stranglehold of the cast system and oppressive Muslim rule. At such a time Guru Nanak founded the Sikh religion which preached equality to all. Amar Chitra Katha brings to you the stories of Guru Nanak and his successors. It was a time when Indian society was reeling under the combined stranglehold of the cast system and oppressive Muslim rule. At such a time Guru Nanak founded the Sikh religion which preached equality to all. Amar Chitra Katha brings to you the stories of Guru Nanak and his successors.