Vodafone India — internet speed

It is sad to tell u that the network of vodafone has gone very weak. I could not able to browse in internet even in city or villages. 4g and 3g networks service are working worst and poor. I have been fed up of this network. Plz improve it fast. I m feeling like recharging unlimited pack on my vodafone sim is useless. I m feeling to move on to jio sim which is much more far better than vodafone network. Improvement in the network speed must be done fastly otherwise the vodafone network will fall in big lose.