Gastrochilus sp. for identification: 2 high res. images.
Location : Manipur
Gastrochilus obliquus var. suavis (Seidenf.) Z.H.Tsi
This looks like Gastrochilus acutifolius which is known to be found in Manipur.
This is either Gastrochilus acutifolius or G. dasypogon.