Balance works in Construction of Rangpo yard incl. construction of slope pro.,Side drain, Berm drains, RCC works, Drainage,Slope monitoring instrumentation, Rockfall barriers,other ancillaries works...in New BG RL Sivok Rangpo RL Project Package III Balance works in Construction of Rangpo yard incl. construction of slope pro.,Side drain, Berm drains, RCC works, Drainage,Slope monitoring instrumentation, Rockfall barriers,other ancillaries works...in New BG RL Sivok Rangpo RL Project Package III