which is the greatest adharma according to arjuna?

A) According to arjuna Inter-cast marriages are the greatest offence and adharma which will lead our own whole family's demolition along with our great ancestors. Because of the inter-cast marriages, the children born will be chandaalas no vedadhikaara no shraaddhaas no vedic culture and no mental and physical health.
संङ्करो नरकायैव कुलघ्नानां कुलस्य च ।
पतन्ति पितरो ह्येषां लुप्तपिण्डोदक क्रियाः ।।
दोषैरेतैः कुलघ्नानां वर्णसंङ्करकारकैः ।
उत्साद्यन्ते जातिधर्माः कुलधर्माश्च शाश्वताः ।।
उत्सन्न कुल धर्माणां मनुष्याणां जनार्दन ।
नरके नियतं वासो भवतीत्यनुशुश्रुम ।। (भगवद्गीता)
नरसिंहाचार्य सुळिभावि
मठाधिकारि,
गुंटूर, उत्तरादिमठम्
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