i applied TRV for business visit and just received mail of refusal letter just reasone of purpose of visit checked. Can i reapply with more stronge reasone? And it is posible to get visit visit stronge visit purpose?
You need to submit more than that but yes you need to confirm your acceptance/attendance at the conference as well as confirmation that your employer will be paying the costs. I assume they are. You do need to include information that people normally include for a visitor permit.