supply of 1-t / 369 (3b) authority to pass signals 2-ta 409 green , t / 409 caution order , colour of ink green , typesetting in bi-lingual (hindi & english) , in paper white maplitho 60 gsm , one side , size in inch 8.5 x 12 ,limp bound, with kraft paper cove r 130 gsm and three stitches at lhs ,to be serially numbered in triplicate , pages 50 x 3 [ warranty period: 30 months after the date of delivery ] ] , ta 409 green nil caution order , colour of ink green ,typesetting in bi-lingual (hindi & english) ,in paper white maplitho 60 gsm , one side , size in inch 8.5 x 6 , limp bound, with kraft paper cover 130 gsm and three stitches at lhs ,to be serially numbered in triplicate , pages 50 x 3. [ warranty period: 30 months after the date of delivery ] ] , t / 369 (3b) authority to pass signals in on or defective position , colour of ink blue , typesetting in bi-lingual (hindi & english) , in paper white maplitho 60 gsm both side , size in inch 8. 5 x 12 , limp bound, with kraft paper cover 130 gsm and three stitches at lhs to be serially numb ered in duplicate , pages 100 x 2 , [ warranty period: 30 months after the date of delivery ] ]