Here are 2 entries which match some of the information in Thomas Seaton’s obituary:

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UK, Military Campaign Medal and Award Rolls, 1793-1949
about Thos Seaton
Name: Thos Seaton
Campaign or Service: Ashanti, Central Africa, Egypt, India
Service Date: 1857-1896
Regiment or Unit Name: 2nd Mountain Battery Royal Artillery
Regimental Number: 21601

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UK, Military Campaign Medal and Award Rolls, 1793-1949
about Thomas Seaton
Name: Thomas Seaton
Campaign or Service: India
Service Date: 1889-1902
Service Location: India
Regiment or Unit Name: 2nd Mountain Battery Royal Artillery
Regimental Number: 21601

Image shows:
“Between the 28th March and the 7th May 1891”
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