supply of commercial advertising rights through permissible media at zone d (circulating area of 1st entry(spm marg), platform no.1, 2/3, 8, 9/10, 11/12 & 13, 14/15 (platform no.4 to 7 not included) - 2232 sq.ft. area) ofdelhi railway station for a period of five (05) years. other terms and condition as per bid document.