Well. it depends on your choice. If you are in test automation then I would suggest do Hp0-M16 QTP and Hp0-M15 QC certification. If you are in Load/performance testing then Hp0-M18 and Hp0-M19 would be a good choice.
In general CSTE is a good certification (not specific to any tool but general testing) and carries lots of value internationally.
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support@softwareqatestings.com.
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Thanks
Raj