supply of door connecting shaft + door operating spindle + door operating shaft , door connecting shaft as per drg. no. sk-77550, item no. 6 with collar, pin, key... etc. as per annexure-3. material and specification as per drawing. [ warranty period: 30 months after the date of delivery ] ] , door operating spindle for bobyn wagon, as per drawing number sk-77550, item no-7, alt-5 or latest. with, nut, pin, key...etc. as per annexure-2. material and specification as per drawing. [ warranty period: 30 months after the date of delivery ] ] , door operating shaft for bobyn wagon as per drg. no- sk-77550, alt-5, item no-5 with colla r, washer, nut, pin, key...etc. as per annexure-1. material and specification as per drawing. [ warranty period: 30 months after the date of delivery ] ]