supply of pressed steel chowkhats , fabricated doors and windows various sizes , rolling shutter supply of pressed steel chowkhats , fabricated doors and windows various sizes , rolling shutter ( group c ) block kairu , supply of pressed steel chokhats , fabricated doors & windows various sizes , rolling shutter in various villages block kairu ( group-c ) , pressed steel sheet frames ( chowkat ) , consisting of 2 mm thick steel sheet of the specified section confirming to pwd specification - single rebate ( 89x50x40 ) as per hsr no . 18 . 34 ( a ) ( supply excluding 1:3:6 filling in the frame ) . , pressed steel sheet frames ( chowkat ) , consisting of 2 mm thick steel sheet of the specified section confirming to pwd specification - single rebate ( 76x38x35 ) as per hsr no . 18 . 34 ( b ) , pressed steel sheet frames ( chowkat ) , consisting of 2 mm thick steel sheet of the specified section confirming to pwd specification - double rebate ( 127x50x40 ) as per hsr no . 18 . 34 ( c ) , pressed steel sheet frames ( chowkat ) , consisting of 2 mm thick steel sheet of the specified section confirming to pwd specification - double rebate ( 114x50x35 ) as per hsr no . 18 . 34 ( d ) , supply of ms iron welded and fabricated door and window shutter . , supply of ms iron welded and fabricated grill , gate , railing excluding fixing . , supplying and fixing rolling shutters , of approved make , m . s . laths , interlocked together through their entire length and jointed together , at the end as per hsr no . 18 . 18 ( a ) with 80 mm x 1 . 00 mm m . s . laths . , supplying and fixing rolling shutters , of approved make , m . s . laths , interlocked together through their entire length and jointed together , at the end as per hsr no . 18 . 18 ( b ) with 80 mm x 1 . 25 mm m . s . laths . , supplying and fixing rolling shutters , of approved make , m . s . laths , interlocked together through their entire length and jointed together , at the end as per hsr no . 18 . 18 ( c ) providing & fixing ball bearing , for push and pull type rolling shutters from 9 . 20 to 12 sqm area . , collapsible gate making 3/4 channel and ms flat .