Complex sentence: People who have migrated from this place to other cities have strong attachments to the land and in local songs and folklore it is said as "Chotanagpur my mother land" rather than it's current political names.
Split into simpler sentences: People who have migrated from this place to other places have strong attachments to this land. In local songs and folklores it is said as, "Chotanagpur, my mother land" rather than its current political names.