दोषैरेतैः कुलघ्नानां वर्णसङ्करकारकैः।
उत्साद्यन्ते जातिधर्माः कुलधर्माश्च शाश्वताः।।1.43।।
1.43. On account of these evils of the family-ruiners that cause the intermixture of castes, the eternal caste-duties and family-duties fall into disuse.
1.35 1.44 Nihatya etc. upto anususruma. Sin alone is the agent in the act of slaying these desperadoes. Therefore here the idea is this : These ememies of ours have been slain, i.e., have been take possession of, by sin. Sin would come to us also after slaying them. Sin in this context is the disregard, on account of greed etc., to the injurious conseences like the ruination of the family and the like. That is why Arjuna makes a specific mention of the [ruin of the] family etc., and of its duties in the passage How by slaying my own kinsmen etc. The act of slaying, undertaken with an individualizing idea about its result, and with a particularizing idea about the person to be slain, is a great sin. To say this very thing precisely and to indicate the intensity of his own agony, Arjuna says only to himself [see next sloka]:
Doshair etaih kulaghnaanaam varnasankarakaarakaih; Utsaadyante jaatidharmaah kuladharmaashcha shaashwataah.
doṣhaiḥ—through evil deeds; etaiḥ—these; kula-ghnānām—of those who destroy the family; varṇa-saṅkara—unwanted progeny; kārakaiḥ—causing; utsādyante—are ruined; jāti-dharmāḥ—social and family welfare activities; kula-dharmāḥ—family traditions; cha—and; śhāśhvatāḥ—eternal
