Voltas is brand of international company is that tata. Tata is biggest industry and many type of a brand. Tata voltas is still available in high demand and the price is increasing day by day but people were trusted is brand so they not any problem to face. If company can also increase high price therefore customer will surprise but here is no matter in this case. The tata company is very richest and very greatest and it is harmful for children who sleeping at air condition. Thanks guys.