I'd say that's pretty close. Certainly Helicoverpa, but I'd lean towards Helicoverpa punctigera because in your images of the hindwing there is no clear sign of the white patch, which is present in the dark stripe at the rear of the hindwing in Helicoverpa armigera. You can see that patch in this sighting - Helicoverpa armigera (Tobacco Budworm) on 27 Dec 2015
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