supply installation and commissioning of machinery and equipment arc welding machine , arc welding machine , cost of arc welding machine ( specification as per tender document vide nit . no . nttc/e-pro/2019-20/enquiry/44 ) , cost of spare parts which are necessary for maintenance and operation of quoted machine for a period of two years , cost of all essential accessories required for the installation & functioning of quoted machine , cost of installation , commissioning & training for quoted machine at nttc dimapur , cost of packaging , forwarding & delivery for quoted machine at nttc dimapur , cost of 2 years extended warranty for quoted machine