From what i gophered (wish I could still say 'gleaned' but in this day and age, they have forgotten the cube), this was some sort of a tea manufacturing company's foray into motorcycles.
BSA (UK) closed shop in the late 70s but the name was still licenced out to others. This particular beesah was powered by a 50cc Minarelli engine.
Quite the done thing, look at what Jawa (Czech.) did!
They were probably The World's Smallest Indian. (Ref2AnthonyHopkinsmovie The World's Fastest Indian)

