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Base on the immigration department website, Indian can enter HK without visa for 14days.
All vistors are required to hold onward or return tickets unless they are transit to Mainland China/Macau. However, the immigration officers may argue that you may work in HK and thus reject your entry, so you may have to prepare a flight/ship/rail ticket to Macau/Mainland China.
See here for further information:
http://www.immd.gov.hk/eng/services/visas/visit-transit/visit-visa-entry-permit.html