Possibly the ultimate drum-braked Bullet came up on ebay quite a few years ago, someone had built a 612 kitted race bike and somehow managed to fit THIS into the Bullet's forks:
Note the alloy brackets welded onto the sliders for the torque arms, but you could probably use the mudguard mounting lugs on a set of Electra-X fork sliders as an anchor point.
@ Jacob, sorry that has something rare, hard to get or expensive written all over it!
There has been plenty written about sorting the Indian TLS front brake. Our hosts' modification of drilling through one of the trunion adjuster threads, as given in the technical notes, is er.. controversial, Tim from NZ regularly blasts this when the subject comes up. Getting the very best out of this brake would probably involve skimming the surface of the brake drum (with the wheel fully built) on a big lathe to ensure everything is perfectly round, then fitting oversize brake linings to the brake shoes and turning them down to the exact size of the newly skimmed drum. When reassembling the brake make sure the levers are pointing in exactly the same direction when pushed onto their splines, and that the angle between the cable and the lever into which it attaches is 90° when the brake is fully applies, with both shoes hopefully biting at exactly the same time.
A.