'DESIGN, SUPPLY, INSTALLATION,TESTING AND COMMISSIONING OF COMPLETE EARTHING SYSTEM FOR SIGNAL & TELECOM EQUIPMENT INSIDE MAIN TUNNELS, ESCAPE TUNNELS, CROSS PASSAGES AND E&M NICHES, ETC. FOR TUNNELS T-1 TO T-16 AND 11 STATIONS (SECTION YOGNAGARI RISHIKESH - KARNPRAYAG) IN CONNECTION WITH THE NEW BG RAIL LINE PROJECT BETWEEN RISHIKESH AND KARANPRAYAG IN THE STATE OF UTTARAKHAND, INDIA.