I am sure that you Tata Docomo is good network I was using this network for calling purpose its good .for net purpose very poor It can’t come even 2g speed where I leave in Andra Pradesh the network not going to work anymore so I changed my network to airtel it’s offer is not good for network sake it’s good in Tata Docomo the offers are too good if anyone is calling to Docomo network it says ur calling to the subscribe is currently switched of or out of courage so please try again later so Aritel is best