Jio is best 4g network in india compare to other netword providers. It is th fastest nework providing speed around 2-3mega bites per second. Advantage of jio is it is giving unlimited free 4g internet but here one cons. Is that u will get full speed inyernet up to 1 gega byte per day after and after that speed is reduced to 128 kilo byte per second. If u have 4g phone then u have to buy a jio sim.