tender for pantograph complete conforming to rdso specn. rdso/2008/el/spec/0066,rev.0 dated 20/06/2008 and amend 1 dated 31/12/2008 with modified horn and supportrod as per rdso drg.no.skel 4682, alt 0 and without foot insulator and centerwearing strips for bg ac emu. as per drg.no. skel 4682,alt 0 specn: rdso/2008/el/spec/0066,rev.0 .