ANNUAL MAINTENANCE CONTRACT OF AUTOMATIC FIRE ALARM AND DETECTION SYSTEM INSTALLED AT DIFFERENT BUILDING I.E. R&D BLOCK OF MAIN BUILDING, UNDERWATER ROBOTICS & AUTONOMOUS SYSTEMS GROUP BUILDING, INTELLIGENT SYSTEMS ENGINEERING GROUP BUILDING (OLD DM&SE) AND ELECTRIC MOBILITY AND TRIBOLOGY RESEARCH GROUP BUILDING (OLD SE&T), CSIR-CMERI, DURGAPUR