Tender For upgradation of protection arrangements for signalling systems through modifications in the indoor signalling, underground cable provision, earthing, bonding and lightningprotectionsystem in accordance with rdso tan sts/e/tan/3006 ver 3.0 or latest over palakkad division.
Tender For corrigendum : supply of outdoor led wall display -led controller , integrated content media player , digital signage software ,surge protection, earth pit & lightening arrester ,