Hiring Of Mechanical Crushing Facility For Crushing Of 214.50 L Te Rom Coal Into (-)50 Mm Size And Loading The Same From Discharge End Of The Mechanical Crushing Facility By Contractors Payloader Into Tippers (Provided By Other Contractors) For A Period Of 09 (Nine) Years At Coal Stockyard Of Nakrakonda Kumardihi B Ocp, Bankola Area, Ecl.