supplying and stacking of alumino thermic welding portions 52/60 kg as approved by rdsofor welding of rails 52/60 kg for 25mm gap by the process of at welding along with completeaccessories with single shot crucible fitted with automatic tapping thimble technology, 3pieces mould (zircon washed) manually pressed for execution of welding of rail joint andcompressed air petrol heating techniques including consumable stores under jurisdiction ofaden/mba & aden/bndabidding type normal tender .