IN broking circles, it was hardly a secret. Since the country's premier stock exchange—the Bombay Stock Exchange (BSE)—had tightened its screws on illegal trading and unsavoury practices, you could still conduct all your shady deals from other centres. On September 2, when the Securities and Exchange Board of India (SEBI) sent show cause notices to 33 stockbrokers and three securities firms across the country for illegal badla deals, the message was clear and emphatic to all the bourses: shape up or ship out.