Voltas is a tata product.i have been using this Ac from past two years.it's 1 ton and 5 star.it's very good ac of single medium size bed.And it consumps very low current so that you dont actualy have to worry about it.
It has different modes.5 modes are there.You have to adjust the mode according to weathet condition.It has timer, and then temperature can be fallen down to 16 degree.Its very reliable.And thier servicing people are yoo experiencd so that you dont have to actually worry about if any fault occurs