Design, manufacture, supply, installation, testing, commissioning and maintenance of heavy duty elevator of machine room less type and gear less type 13 No. Passenger capacity with a speed of 1. 0 m/ s. Centre opening sliding door double door type with two stops and three openings as per RDSO specification No. RDSO/ 2013/ EM/ SPEC/ 0016 ( Rev 1 )- 2019 or latest with a warranty of two years and Comprehensive annual maintenance contract for a period of 10 years after completion of warranty period of two years ( Rate for Comprehensive Annual Maintenance contract for a period of 10 years after completion of warranty period of Two years to be quoted separately apart from Rate of Elevator ). The elevator shall be equipped with Lift working/ failure information through GPRS enabled SMS alert system, CCTV inside the Lift car connecting to security systems through wireless/ wifi and audio announcement features. Warranty- Two years after successful commissioning and acceptance of the elevators.