1960 – 1980
BTSA has tie ups with the best brands in the business globally. It is the exclusive Indian partner for Carl Zeiss Jena (Germany), Wyler (Switzerland), Maasi (Germany), Feinmes Zuhl (Germany), ElektroPhysik (Germany) and Kroeplin (Germany)
– Starts offices in all offices including Chennai , Hyderabad and Coimbatore