I visited this place 2 months ago. & enquired about this at Rourkela & got this diagram from RNVL & IRCON offices there. Joint Project of RVNL IRCON
please wait...Translate to EnglishI went to this spot 2 months back. I asked around at Rourkela and picked up this sketch from the RVNL and IRCON offices there. It's a collab project between RVNL and IRCON.