de-installation and maintenance of pa system , centralized audio sound system ( 872 horns of 30w each ) for mela duration . approximately 50 zones to be created . horns to be installed on poles with automatic line fault detector for each circuit / zone with automatic changeover . horns ( 30w ) with 21 dia mixer / zone selector ( as required ) amplifiers ( as required ) mike ( as required ) , centralized audio sound system ( 904 horns of 50w each ) for mela duration . ( approximately 20 ( number of ghats ) zones to be created . horns to be installed on poles with automatic line fault detector for each circuit / zone with automatic changeover . ) horns ( 30w ) with 21 dia horns ( 50w ) with 24 dia mixer / zone selector ( as required ) amplifiers ( as required ) mike ( as required ) , cable / wire armored 2 core copper ( 21 awg , 14x0 . 20 tc ) , cable / wire armored 4 core copper ( 14awg , 0 . 36mmabc ) , loudhailer ( powerful megaphone ) , mobile loudspeaker unit with all equipment ( analog pa system with amplifiers , wires , necessary ( with 1 mic & 1 horn ) , mobile loudspeaker unit with all equipment ( analog pa system with amplifiers , wires , necessary ( with 1 mic & 2 horn ) , mobile loudspeaker unit with all equipment ( analog pa system with amplifiers , wires , necessary ( with 2 mic & 4 horn ) , mobile loudspeaker unit with all equipment ( analog pa system with amplifiers , wires , necessary ( with 2 mic & 8 horn ) , mike , stand alone system for home guard a . horn type speaker 50w: 50 nos b . speaker for meeting / briefing room ( 15w wall mount ) : 6 nos c . amplifier 120 watt with necessary mixers: 1 no . d . wired mic for meeting room ( with 50 mtrs ) : 10 nos e . wireless mic with necessary accessories 2 wired mic: 2 nos f . wired mic for meeting room ( with 50 mtrs ) : 2 nos g . projector with screen / curtain 65 inch: 1 nos