How u can assume that rp is underground if it is why not u dig n take out. So called eic pillar which had rp properties have been sold. Rest is fake n cheating syndicate in all over border areas of Bengal ESP Siliguri. These border areas Nepalis n chapta nose r shameless to earn haram rozi roti. There is least connection of rp with eic. Anybody can make eic stamp on copper item by coppersmiths by giving 100 bucks. Don't fell in trap of eic coin or stamp article with nonsense 1616 or 1818 n other date of birth by educated cheater. These field make human greedy n we don't think twice before jumping on proposal. Never entertaine other state proposal. East search west n north search south Bakra. Beware of Bakra puller because rice puller is very rare.