Tenders for Supply Of 01 X 21 Ton Heavy Duty Tracked Hydraulic Excavator In Addition The Scope Shall Also Include Provision Of 01 X Rock Breaker Compatible With 21 Ton Hydraulic Excavator Scope Of Wk Specification Att As Appx A And B Supply Of Vehicle Based Self Loading Concrete Mixer With Minimum Drum Output Of 2.8 Cum As Per Specification Given At Appx C Specification Att As Appx C