Does TriangleStrip require index?

For normal triangles you need index to specify order of vertices. This is how I understand documentation. Perhaps mesh can be drown without any index even in the triangle mode.

Is index buffer required for triangle strip models? Does jmonkey directly draws triangles stripping points from point buffer, or else it uses index buffer to fetch appropriate points?

You can use an index buffer or you can not use an index buffer. For triangles, strips, fans, whatever.

Index buffers are a way of saving space is all.

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Thanks for explanation.

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