supply of external locking arrangement.external locking arrangement.,external locking arrangement for sliding door as per drg. no. lb58144 alt. nil or latest [ warranty period: 30 months after the date of delive ry ] ] , additional external locking arrgmt. to drg. no. rdso/cg/drg/21014 it. no. 12 (part drg.no. 21027 [ warranty period: 30 months after the da te of delivery ] ] , additional internal locking arrgmt. to drg. no. rdso/cg/drg/21014 it. no. 13 (part drg no. rdso/cg/drg/21041 [ warranty period: 30 mont hs after the date of delivery ] ] , internal locking arrangement for sliding door to drg.no.rcf/lb58146 [ warranty period: 30 months after the date of delivery ] ] , hinge-1 to drg no- rdso/cg/drg/21042, item no- 6 [ warranty period: 30 months after the date of delivery ] ] , pin for hinge as per rdso drg no. rdso/cg/drg/21042 item no. 7 note: diameter of pin must be 20mm. [ warranty period: 30 months af ter the date of delivery ] ]