He simply doesnt want trainloads of BIMARUS (who would have otherwise consumed pesticides in their states)coming everyday and burdening the infrastructure of Mumbai/ MAh
He simply wants these BIMARU States to create enough opportunities and schemes (incl FAmily Planning) for their own people.
Very soon, these thoughts will be echoed by other states too- Delhi, Gujarat, South etc as they bear the brunt of this BIMARU influx.