Letter No. Date Description Policy No. Hyp. No. 2008/Sig/G/5 02.12.2008 Cable location equipment     2006/Tele/TP/1 04.06.2008 Laying of Railway Telecom Cables at a depth of 1.65 Mtrs.     2003/Tele/WP/1/CR 11/09/2006 Policy for laying Quad cable along with OFC.     2006/Tele/TP/1 12/4/2006 Laying of OFC cable in the duct.     2004/Sig/G/7 13/12/2005 Joint Procedure order for undertaking digging work in the vicinity of underground Signalling, Electrical and Telecommunication Cables     2004/Tele/TE/3 14/07/2004 Provision of STM-1 equipment on OF Cables   OFC-09 RCIL/2003/Tele/RCIL/1 19/07/2004 Installation of RailTel OFC equipment along with existing Railway Telecom. Equipments in Railway premises   OFC-08 2003/Tele/TP/1 09/03/2004 Procurement of Quad Cable to  IRS: TC-30/97.   OFC-07 (Misc.-03) 98/Tele/TP/6-Pt. 05/09/2001 Decentralisation of Procurement of Telecommunication items.      - OFC & 4 Quad Cable   OFC-06 (MW-02) (Misc.-02) 2002/Tele/TC/3 16/10/2003 Testing of Fibres and procurement of instrumentation for maintenance of OFC based   communication systems. RB Tele 15/2003  OFC-05 2003/Tele/TP/1 08/08/2003 Laying of  Quad cable along with OFC.   OFC-04 STT/DC/MUX/Proto-test/ 245 (RDSO) 11/10/2002 Specifications for SDH Systems (STM -1) : Ethernet Interface.   OFC-03 2000/Tele/WE/1 30/05/2000 Switch over to of SDH equipment in lieu of PDH equipment in Railway?s Optical Fibre   Cable links.   OFC-02 91/Tele/TC/7(RE) 09/12/1997 Provison of Optic Fibre Cable system ? Stadarization of Cable Size  (24 Fibre).   OFC-01