I have brought a new airet 4g hotspot on january 1st week.they have also offered me a new airtel sim and told me that I have got 1gb at rs 159 every time I recharge till 90 days.but after 1 month when I rechage thay told me that this is a invalid offer and I have to pay rs 174 for 1 gb.the price is too high.at my network the idea provider gives me 1gb 4g at rs 94.when airtel have doubled the price.the prices are too high in airtel and thay said 4g but it is worst that aircel 3g also.