The katha of the kalki avtar mentions things such as '
The Brahmin-women will live with Shudras; the Vaishya-women will reside in the homes of Kshatriyas and the Kshatriya-women in the homes of Vaishyas; the Shudra-women will be in the homes of Brahmins.16.
This line would suggest that inter caste marriages are sinful, and their are many other lines such as this.
It makes me wonder about the authenticity of Chaubis avtar. Now, im not a supporter of the people and Jeonwala and Darshan lal, and I am sure he nitnem banis and other banis in the Dasam Granth sahib are authentic, im just wondering if chaubis avtar might not be authentic or if the translation is wrong or something else.