Orange-breasted Green Pigeon
Treron bicinctus
Similar in appearance to other green pigeons including the yellow-footed green pigeon and the grey-fronted green pigeon but has no maroon on the wing. The male does not have any grey on the head but has a narrow band of lilac on the upper breast with a broader orange band below. The undertail-coverts are cinnamon with the longer feathers edged yellow. The tail is grey above with a broad subterminal dark band. The females are yellow below and lack the orange or lilac bands. The undertail coverts are duller cinnamon with greenish spots.
ID text from Wikipedia, CC BY-SA 4.0

Wedge-tailed Green Pigeon
Treron sphenurus
It is greenish yellow with wedge shaped tail. The crown is tinged with orange-rufous with variable amount of maroon on back and scapulars in male but absent in female. It is found in the Indian subcontinent and Southeast Asia. It ranges across Bangladesh, Bhutan, Cambodia, India, Indonesia, Laos, Malaysia, Myanmar, Nepal, Thailand, Tibet and Vietnam. Its natural habitats are subtropical or tropical moist lowland forest and subtropical or tropical moist montane forest.
ID text from Wikipedia, CC BY-SA 4.0
Where you might meet both
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Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Orange-breasted Green Pigeon and Wedge-tailed Green Pigeon.