supply fixing exhaust fans / other ei material at different te bldgs under ae ( e ) , pr , mtnl , new delhi . -1 s / f of following type 230 v 50 hz ac supply heavy duty metal exhaust fan ( 1400 rpm ) with louver shutter in existing opening with necessary arrangement i / c connection etc as reqd ( m / s crompton / usha / havells make with isi marked ) 300 mm ( 12 ) exhaust fan 2 600 mm ( 24 ) exhaust fan 3 450 mm ( 18 ) exhaust fan 4 s / f 9 230 v, 50 hz sweep shutter type exhaust fan ( pvc body ) complete with all accessories i / c supply fixing grouting in the wall making good the same etc complete as reqd. ( m / s crompton / usha / havells make with isi marked 5 supplying and fixing extension strip consisting of 4 nos 5 amp socket and one no 5 amp switch, one no fuse complete with cord and connections as required. ( m / s anchor / ss / cona make ) . 6 supplying and fixing extension strip consisting of 4 nos 15 amp socket and one no 15 amp switch, one no fuse complete with cord and connections as required. ( m / s anchor / ss / cona make ) . 7 supplying and fixing 3 pin plug top in the complete with connection and testing etc. complete as required. ( m / s cona / anchor / crabtee make. ) na ) 5 / 6 amp 3 pin 8 b ) 15 / 16 amp 3 pin