supply of authority to pass signals in on or defective positionauthority to pass signals in on or defective position,authority to pass signals in on or defective position, in the form of books with normal binding. each book will consists of 50 sets and each sets consists of 02 copies with same sr. no. printi ng to be done on both sides of a set as per sample. size a-4, 58 gsm, c/w, form no. t/369(3b), numb ering will be provided after artwork approval. cover: brown with label with sticker of description. cove r brown with label with sticker of description. [ warranty period: 30 months after the date of deliver y ] ]