manufacturing of header components manufacturing of header components for compact heat exchangers of lca-tejas mk1a aircraft against s.o. no. 5619 at vendor works with free issue materials-bleed air in/out header 3 charge air in/out header 4 charge air return header 5 charge air in/out header 6 charge air return header 7 f.t.p air in/out header 8 f.t.p air return header 9 return header r.f.pad 10 cold air in/out header 11 hot air inlet header 12 cold air inlet duct 13 cold air exit header 14 hot air inlet/outlet header 15 fuel inlet header-hyd 16 fuel return header 17 fuel outlet header-idg 18 hyd oil inlet/outlet header 19 idg oil inlet/outlet header 20 fuel inlet header-gbx 21 fuel return header 22 fuel outlet header-hyd 23 gbx oil inlet/outlet header 24 hyd oil inlet/outlet header 25 tools (punch & die) for headers mentioned at sl. nos. 1.01 to 1.23