Details: operating books printing for t/510 -authority to receive a train on to a non- signaled line. automatic block system, paper thickness 75 gsm size 8.5 inch x11 inch mapilatho or similar paper each book containing 50x3(triplicate) =150 pages in serial number printed with black ink binding with 32 ounce hard card board. authority for working of trains during prolonged signal failure in automatic block system. form no-td/912 paper thickness 75 gsm/8.5 inch x11 inch in mapilatho or similar paper each book containing 50x3(triplicate) =150 pages in serial number printed with black ink binding with 32 ounce hard card board.:authority to pass automatic/semi-automatic/manually operated/gates signal is defective. form no. t/a-912 paper thickness 75 gsm size: 8.5 inch x 11 inch mapilatho or similar paper each book containing 50 x 3 (triplicate)=150 pages in serial number printed with black ink binding with 32 ounce hard cardboard.:authority to pass signal (form no- t/369(3b) in automatic block syst
Sector: Railways