tender for supply, installation, integration, commissioning and maintenance of external videowall system , led video wall system panel (55/65/75 - bezel-less) , video wall system controller (multi-input processor) , wall mount brackets (push-pull type) , video management software (vms) license , network switch (managed, gigabit/10g) , control workstation (high-end pc for video wall system operation) , ups / power backup system (online ups 5-10 kva) , cables & connectivity accessories (hdmi/dp/power/networking) , audio system (optional - for command center) , installation, testing & commissioning , any other items if required (list of other items with price must be upload in pdf format with financial bid)