providing essential ei works under sub division ( electrical ) laxmi nagar , mtnl , delhi . , supplying & fixing of 36 watt 230 volts electronic ballast suitable for the existing light fitting etc as reqd . make ( m/s philips / havells/surya/bajaj make ) , supplying & fixing of tube starter suitable for 230 v 50 hz ac supply etc as reqd . ( m/s philips / havells/surya/bajaj make ) . , s/f of following capacity mccbs in existing cubicle lt panel board /mccb box including drilling holes in cubicle panel/mccb box , making connections , modification in busbar alignment etc . as required . ( make: l&t/ge/abb/schneider/havells ) a ) 400 a , 50 ka , tp mccb , supply of following watts fluorescent tube suitable for working on 220 volt 50hz ac supply system . ( make : surya , crompton , philips ) a . tube light - 36/40 watt , installation of 28/40/36 watt tube in the existing fitting as required . , s/f 16 sweep single phase 230 volts wall fan complete with all accessories i . e . fan blade , capacitor and fixing on wall connection earthing as reqd . ( m/s usha /havells/crompton greaves/ almonard make ) , s/f 1200 mm sweep ac 230 volts single phase ceiling fan with all accessories including blades capacitor connection earthing as reqd . ( m/s cromption /usha/ orient make ) , s/f of following type 230 v 50 hz ac supply heavy duty metal exhaust fan with louver shutter in existing opening with necessary arrangement i/c connection etc as reqd ( m/s crompton/usha/havells make with isi marked ) a ) 300 mm ( 12 ) exhaust fan , b ) 450 mm ( 18 ) exhaust fan