Complex sentence: The vehicle is undergoing flight integration at the VSSC before being moved to Bengaluru for acoustic testing and later to Sriharikota for the launch expected to take place in May 2016.
Split into simpler sentences: The vehicle is undergoing flight integration at the VSSC before being moved to Bengaluru for acoustic testing. It will then be transported to to Sriharikota for the launch, expected to take place in May 2016.