Valmiki Ramayana Ayodhya Kanda Sarga 66 Shloka 22
Original Shlokaयया तु राजा रामश्च लक्ष्मणश्च महाबलः। सीतया सह सन्त्यक्ता स्साकमन्यं न हास्यति।।2.66.22।।
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यया by such a person (Kaikeyi), राजा the king, रामश्च Rama, महाबलः valiant, लक्ष्मणश्च also Lakshmana, सीतया सह along with Sita, सन्त्यक्ताः have been abandoned, सा that Kaikeyi, अन्यम् other, कम् whom, न हास्यति will not cast aside?
Why will not Kaikeyi who has abandoned the king, valiant Rama and Lakshmana along with Sita cast aside others?