supply of printing and supply of check sheet-mechanical trouble shooting book with binding. each book having 100 papers/leaves both side black and white printing (as per sample) on 75 gsm a4 size paper with a logo of nfr on cover page. note: sample will be given after issue of po.printing and supply of check sheet-mechanical trouble shooting book with binding. each book having 100 papers/leaves both side black and white printing (as per sample) on 75 gsm a4 size paper with a logo of nfr on cover page. note: sample will be given after issue of po.,printing and supply of check sheet-mechanical trouble shooting book with binding. each bo ok having 100 papers/leaves both side black and white printing (as per sample) on 75 gsm a4 size paper with a logo of nfr on cover page. note: sample will be given after issue of po. [ warranty period: 30 mo nths after the date of delivery ] ] , supply of printing and binding of engine repair book 100 sheets (both side printing) and fro nt side 02 (two)sheets (both side printing) rules & regulation book 1/4 size. & inside paper 60 gsm cover century board (black and white printing) and a logo of n. f. railway on cover page for hhp locomotives. e ach book 100sheets (note: sample will be given after issue of po) [ warranty period: 30 months after the date of delivery ] ] => limited