Because Thai and India have difference language so the communication between these two staffs is not smooth.
Indian staffs mention that the English skill of some Thai staffs is very low.
So when work together,it difficult for them to understand what is the happen situation for solving and difficult for them to solve the problem because the Thai staff did not understand the explanation from them.
The Indian staffs solve the problem by trying to adjust their pronunciation when they speak to Thai staffs and provide the sample the give the explanation clearer.