Im use this tata docomo network 5 yer network 2g good but 3g network rely bad im use internet pack 3g not 3g network my aeria good speed ok ok not airtrl vodafon type speed and 3g network not good im sue 2g network and download speed 2 to 6 kbps so bad.
Tatadocomo 3g network 4 ya 5 yer old but not tu incres network airtel 3g network let but net speed and 3g network good and full my aeria.
I whis tata docomo incres network and internet speed fast .