>Would she need a visa?
Yes she would
>are there entry visa exemptions
She can not enter on a visa exempt or a visa on arrival. See attached for the current visa exempt, visa on arrival, and bilateral agreements.
> what would the possible extentions?
She can get ONE 30 day extension of stay based on tourism. She MAY BE able to get other extension of stays, depending on her purpose in Thailand.
For visas and extension of stays that MAY be acquired inside Thailand, go to
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and
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For extension of stays, go to
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Can she get a tourist visa in Sri Lanka? I do not know. She would have to contact the Thai consulate at
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Some consulates require a person to be a resident before applying for a visa.