अथवा or else, भरतपालिताम् ruled by Bharata, पुरीम् city, न गमिष्यामि not go, सीतया by Sita,मम for me, हीनः empty, स्वर्गोऽपि even heaven, शून्य empty, एव too, मतः to me.

Or else, I will not go to the city ruled by Bharata. Without Sita even heaven will be empty for me.