U are right Ranchi is a land of water falls and there are about 5 water falls on each side of the town, one on rnc-tata-calcutta road one on rnc-hazaribag-patna road, one on rnc-ckp-cbsa road (Hirni Falls), one on RNC-patratu road, the patratu vally is also awesome check pics in net.
Flagged green, yes there are no trains from CKP side via BSP-G/NGP-Balharsha towards SC or YPR.