supply of printing stationeries for coal dispatch , challan book: each book contains 50 sets in quadriplicate having four different colours i . e . in red , yellow , green and white having dimensions of ( 17cmx11cm ) with serial no . , road sale loading slip: each book conatains 50 sets in triplicate having three different colours i . e . in red , yellow and white having dimension of ( 17cmx11cm ) with serial no , daily production reporting pad ( coal despatch /rehandling trips report ) : a4 size white paper , tare weight register : each register containing 200 pages in white colour having dimension ( 32cmx20cm ) , security gate pass register : each register containing 200 pages in white colour having dimension ( 32cmx20cm , road sale ledger , break down register