Normal Maps are not working in gLTF!
Maya 2014 x64
Plugin For Export from Maya to Collada
COLLADA-MAYA-PC-2014 v1.6.58
[Link](https://s3-us-west-2.amazonaws.com/opencollada-promotion-artifacts/COLLADA-MAYA-PC_Maya2014_v1.6.58.zip)
Collada2Gltf Version COLLADA2GLTF-2.0-windows-Release-x64
Just to be Clear, this is not a error on Babylon JS side as this is the case for Other Engines too! Maybe this happens due to complex conversion pipeline from fbx to gLTF!