Transgene Biotek Ltd. is a biotechnology enterprise focused on the development and commercialization of diagnostic kits. The company is also active in the manufacturing and oral formulation of diverse proteins through its distinctive TrabiORAL technology. Its array of products includes TrabiDHA, Tacrolimus, and Orlistat. K. Koteswara Rao established the firm in 1991, and its primary operations are based in Hyderabad, India.