I Want to Go Hong Kong for Trade Fair as a Visitor

Hi ,

I want to go Hongkong from India for Trade Fair as a visitor for 5 days along with some suitcase for Fabric samples

Do i need to obtain the Visa for the 5 Days .

If I carry a suitacase of Fabric Samples do i need to obtain the Business type in case of it needed .

Regards
Nishan