Execution Of Alumino-Thermit (Skv) Welding Work Of Rail Joints, Including Supply Of Welding Portions (60 Kg/60 Ei-R260 & 60 Kg, 52 Kg 90 Uts) And Provision Of Labour, Tools & Plants, Consumables, Supervision And All Ancillary Activities Under The Jurisdiction Of Sr.Den/2/Dnr