1. As per the service conduct rule of the PSU you are still working with, you can not have any other gainful engagement in addition to your said employment,
2. If you engage yourself in any other business while working with the said PSU, then it will be an illegal act on your part as per the service conduct rule of the OSU,
3. If the said PSU can gather evidence that you are in a business during your Bond period i.e. your employment, then they may suspend you while initiating disciplinary actin against you i.e. by issuing charge sheet, conducting enquiry and finally by terminating you from your service.