bids are invited for custom bid for services - lot 1 amc for 550 hp dc skip winder installed at balaghat mine ( 1 ) , custom bid for services - lot 2 attending emergency breakdowns of 550hp dc skip winder installed at balaghat mine ( 1 ) , custom bid for services - lot 3 annual service maintenance contract 350 hp dc cage winder installed at balaghat mine ( 1 ) , custom bid for services - lot 4 attending emergency breakdowns of 350 hp dc cage winder installed at balaghat mine ( 1 ) , custom bid for services - lot 5 annual service maintenance contract for 550hp dc production shaft winder installed at balaghat mine ( 1 ) , custom bid for services - lot 6 attending emergency breakdowns of 550hp dc production shaft winder installed at balaghat mine ( 1 ) , custom bid for services - lot 7 annual service maintenance contract for 250hp dc winder installed at vertical shaft-1 at chikla mine ( 1 ) , custom bid for services - lot 8 attending emergency breakdowns of 250hp dc winder installed at vertical shaft-i at chikla mine ( 1 ) , custom bid for services - lot 9 annual service maintenance contract for 425hp ac winder installed at vertical shaft ii at chikla mine ( 1 ) , custom bid for services - lot 10 attending emergency breakdowns of 425hp ac winder installed at vertical shaft ii at chikla mine ( 1 ) , custom bid for services - lot 11 annual service maintenance contract for 250hp dc winder installed at kandri mine ( 1 ) , custom bid for services - lot 12 attending emergency breakdowns of 250hp dc winder installed at kandri mine ( 1 ) , custom bid for services - lot 13 annual service maintenance contract for 150hp winder installed at beldongri mine ( 1 ) , custom bid for services - lot 14 attending emergency breakdowns of 150hp winder installed at beldongri mine ( 1 ) , custom bid for services - lot 15 annual service maintenance contract for 250hp dc winder installed at munsar mine ( 1 ) , custom bid for services - lot 16 attending emergency breakdowns of 250hp dc winder installed at munsar mine ( 1 ) , custom bid for services - lot 17 annual service maintenance contract for 550hp ac winder installed at munsar mine ( 1 ) , custom bid for services - lot 18 attending emergency breakdowns of 550hp ac winder installed at munsar mine ( 1 ) , custom bid for services - lot 19 annual service maintenance contract for 250hp dc winder installed at vertical shaft-i at ukwa mine ( 1 ) , custom bid for services - lot 20 attending emergency breakdowns of 250hp dc winder installed at vertical sgaft-1, ukwa mine ( 1 ) , custom bid for services - lot 21 annual service maintenance contract for / at vertical shaft-ii at ukwa mine ( 1 ) , custom bid for services - lot 22 attending emergency breakdowns of 622 hp ac winder installed at vertical shaft-ii, ukwa mine ( 1 ) , custom bid for services - lot 23 annual service maintenance contract for 250hp dc winder installed at gumgaon mine ( 1 ) , custom bid for services - lot 24 attending emergency breakdowns of 250hp dc winder installed at gumgaon mine ( 1 )