One of the best Mobile Operator so far. Best coverage, no call drop, customer service is very good. You can get network even in the remote location.
Internet service is superb. 4G great, 3G great, 2g so so even at roaming one can get 4G services without interruption
Call charges are high compared to other service providers. No complain on Account Balance disputes.
Good customer support. Internet packs are well affordable on 4G considering mobility