supply of commercial publicity charges (advertisement charges) to be paid bysuccessful bidder for printing multicolour advertisements by railways to displayadvertisement on pre-printed computerized passenger reservation tickets- prs,which are to be issued from ticket counters of southern railway as per thequantities given in para 4.1/4.2/4.3/4.4 of annexure 1. one unit is equal to one thousandtickets. other details like area of advertisement, quantity details, specimen of theticket and special c