Protection work of slope failure at Ch. 30. 600- 30. 700, provision of cable anchor at Ch. 25. 338 near Portal- 1 of Tunnel no. T/ 12A, Construction of Retaining wall on pile foundation and counterfort wall at SANG Yard in between Ch. 49. 630 to Ch. 49. 875, earthwork in cutting/ filling in between Ch. 35. 165 to 35. 225 & MAKG Yard to Ch. 45. 675, dismantling & repairing of drain wall in tunnels and other ancillary works in connection with the construction of Bairabi- Sairang New BG Railway Line Project ( Mizoram ).