CONVEYANCE OF SPILLED COAL, STONE BOULDERS, FOREIGN MATERIALS, SCRAP MATERIAL AND DEBRIS COLLECTED AT WAGON TIPPLERS- 1 to 6 SURROUNDING AREAS, RH3 GRID HOPPERS AND UNLOADING IN UNCRUSHED YARD/ BHEL YARD IN LOCOS EARTHMOVERS DIVISION OPERATION DIVISION STAGE III IV /CHP/Dr.NTTPS , BY LORRY TRACTOR AS AND WHEN REQUIRED DURING THE PERIOD FROM 1-4-2020 TO 31-3-2021(The work is invited from the Registered contractors of S.C, S.T & Vaddera Labour Contract Co-Operative Societies and individuals belonging to unemployed SC, ST & Vaddera of appropriate class)