MAIN EQUIPMENT OF TACAN, OBS FOR TACAN, INSTALLATION and ACCESSORIES_ TACAN SYSTEM, TECHNICAL DOCUMENTATION_ TACAN SYSTEM, BINDING DATA, SERVICE FOR TACAN SYSTEM, TRAINING FOR TACAN SYSTEM, Price reduction for Advancement of delivery on per annum basis- maximum 01 year based on GRSE requirement- in percentage of material value, Charges for Postponement of delivery on per annum basis- extendable upto maximum 01 year based on GRSE requirement- in percentage on material value, Service Engineer charges including to and fro travel, lodging, boarding and local conveyance per day basis., Charges for warranty extension on per annum basis- extendable upto 02 years based on GRSE requirement- in percentage on material value